Finding the Fourth Proportional to 25,308,580.86, 34,925,655.33 and 13,705,875.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,308,580.86 : 34,925,655.33 = 13,705,875.18 : x
2. Step 2: Convert to fraction form
   25,308,580.86/34,925,655.33 = 13,705,875.18/x
3. Step 3: Cross multiply
   25,308,580.86x = 34,925,655.33 × 13,705,875.18
4. Step 4: Simplify right side
   25,308,580.86x = 478,686,672,532,681.69
5. Step 5: Solve for x
   x = 478,686,672,532,681.69/25,308,580.86
6. Step 6: Final answer
   x = 18,914,006.88