Finding the Fourth Proportional to 42,142,054,875.99, 63,187,838,225.85 and 13,413,062,353.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,142,054,875.99 : 63,187,838,225.85 = 13,413,062,353.50 : x
2. Step 2: Convert to fraction form
   42,142,054,875.99/63,187,838,225.85 = 13,413,062,353.50/x
3. Step 3: Cross multiply
   42,142,054,875.99x = 63,187,838,225.85 × 13,413,062,353.50
4. Step 4: Simplify right side
   42,142,054,875.99x = 847,542,414,106,196,836,352
5. Step 5: Solve for x
   x = 847,542,414,106,196,836,352/42,142,054,875.99
6. Step 6: Final answer
   x = 20,111,558,788.49