Finding the Fourth Proportional to 91,620.72, 137,431.18 and 25,055.93

Step by Step Solution

1. Step 1: Write the proportion equation
   91,620.72 : 137,431.18 = 25,055.93 : x
2. Step 2: Convert to fraction form
   91,620.72/137,431.18 = 25,055.93/x
3. Step 3: Cross multiply
   91,620.72x = 137,431.18 × 25,055.93
4. Step 4: Simplify right side
   91,620.72x = 3,443,466,400.80
5. Step 5: Solve for x
   x = 3,443,466,400.80/91,620.72
6. Step 6: Final answer
   x = 37,583.93