Finding the Fourth Proportional to 91,690.86, 137,535.16 and 25,130.93

Step by Step Solution

1. Step 1: Write the proportion equation
   91,690.86 : 137,535.16 = 25,130.93 : x
2. Step 2: Convert to fraction form
   91,690.86/137,535.16 = 25,130.93/x
3. Step 3: Cross multiply
   91,690.86x = 137,535.16 × 25,130.93
4. Step 4: Simplify right side
   91,690.86x = 3,456,386,478.50
5. Step 5: Solve for x
   x = 3,456,386,478.50/91,690.86
6. Step 6: Final answer
   x = 37,696.09