Finding the Fourth Proportional to 42,590,441.70, 63,869,916.15 and 13,837,515.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,590,441.70 : 63,869,916.15 = 13,837,515.30 : x
2. Step 2: Convert to fraction form
   42,590,441.70/63,869,916.15 = 13,837,515.30/x
3. Step 3: Cross multiply
   42,590,441.70x = 63,869,916.15 × 13,837,515.30
4. Step 4: Simplify right side
   42,590,441.70x = 883,800,941,935,342.12
5. Step 5: Solve for x
   x = 883,800,941,935,342.12/42,590,441.70
6. Step 6: Final answer
   x = 20,751,156.99