Finding the Fourth Proportional to 42,142,054,863.53, 63,187,838,207.15 and 13,413,062,341.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,142,054,863.53 : 63,187,838,207.15 = 13,413,062,341.05 : x
2. Step 2: Convert to fraction form
   42,142,054,863.53/63,187,838,207.15 = 13,413,062,341.05/x
3. Step 3: Cross multiply
   42,142,054,863.53x = 63,187,838,207.15 × 13,413,062,341.05
4. Step 4: Simplify right side
   42,142,054,863.53x = 847,542,413,068,616,859,648
5. Step 5: Solve for x
   x = 847,542,413,068,616,859,648/42,142,054,863.53
6. Step 6: Final answer
   x = 20,111,558,769.82