Finding the Fourth Proportional to 91,740.72, 137,586.16 and 25,165.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,740.72 : 137,586.16 = 25,165.10 : x
2. Step 2: Convert to fraction form
   91,740.72/137,586.16 = 25,165.10/x
3. Step 3: Cross multiply
   91,740.72x = 137,586.16 × 25,165.10
4. Step 4: Simplify right side
   91,740.72x = 3,462,369,076.52
5. Step 5: Solve for x
   x = 3,462,369,076.52/91,740.72
6. Step 6: Final answer
   x = 37,740.81