Finding the Fourth Proportional to 42,203,055.39, 63,303,402.06 and 13,450,916.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,203,055.39 : 63,303,402.06 = 13,450,916.31 : x
2. Step 2: Convert to fraction form
   42,203,055.39/63,303,402.06 = 13,450,916.31/x
3. Step 3: Cross multiply
   42,203,055.39x = 63,303,402.06 × 13,450,916.31
4. Step 4: Simplify right side
   42,203,055.39x = 851,488,763,247,341.62
5. Step 5: Solve for x
   x = 851,488,763,247,341.62/42,203,055.39
6. Step 6: Final answer
   x = 20,175,998.05