Finding the Fourth Proportional to 91,985.32, 137,951.33 and 35,812.91

Step by Step Solution

1. Step 1: Write the proportion equation
   91,985.32 : 137,951.33 = 35,812.91 : x
2. Step 2: Convert to fraction form
   91,985.32/137,951.33 = 35,812.91/x
3. Step 3: Cross multiply
   91,985.32x = 137,951.33 × 35,812.91
4. Step 4: Simplify right side
   91,985.32x = 4,940,438,565.67
5. Step 5: Solve for x
   x = 4,940,438,565.67/91,985.32
6. Step 6: Final answer
   x = 53,708.99