Finding the Fourth Proportional to 93,151.52, 128,679.78 and 83,076.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,151.52 : 128,679.78 = 83,076.72 : x
2. Step 2: Convert to fraction form
   93,151.52/128,679.78 = 83,076.72/x
3. Step 3: Cross multiply
   93,151.52x = 128,679.78 × 83,076.72
4. Step 4: Simplify right side
   93,151.52x = 10,690,294,052.72
5. Step 5: Solve for x
   x = 10,690,294,052.72/93,151.52
6. Step 6: Final answer
   x = 114,762.42