Finding the Fourth Proportional to 25,296,842.61, 34,909,654.50 and 13,694,406.10

Step by Step Solution

1. Step 1: Write the proportion equation
   25,296,842.61 : 34,909,654.50 = 13,694,406.10 : x
2. Step 2: Convert to fraction form
   25,296,842.61/34,909,654.50 = 13,694,406.10/x
3. Step 3: Cross multiply
   25,296,842.61x = 34,909,654.50 × 13,694,406.10
4. Step 4: Simplify right side
   25,296,842.61x = 478,066,985,446,418.31
5. Step 5: Solve for x
   x = 478,066,985,446,418.31/25,296,842.61
6. Step 6: Final answer
   x = 18,898,286.75