Finding the Fourth Proportional to 93,081.30, 138,569.18 and 92,527.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,081.30 : 138,569.18 = 92,527.72 : x
2. Step 2: Convert to fraction form
   93,081.30/138,569.18 = 92,527.72/x
3. Step 3: Cross multiply
   93,081.30x = 138,569.18 × 92,527.72
4. Step 4: Simplify right side
   93,081.30x = 12,821,490,287.67
5. Step 5: Solve for x
   x = 12,821,490,287.67/93,081.30
6. Step 6: Final answer
   x = 137,745.07