Finding the Fourth Proportional to 91,712.34, 137,568.71 and 25,153.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,712.34 : 137,568.71 = 25,153.42 : x
2. Step 2: Convert to fraction form
   91,712.34/137,568.71 = 25,153.42/x
3. Step 3: Cross multiply
   91,712.34x = 137,568.71 × 25,153.42
4. Step 4: Simplify right side
   91,712.34x = 3,460,323,541.49
5. Step 5: Solve for x
   x = 3,460,323,541.49/91,712.34
6. Step 6: Final answer
   x = 37,730.18