Finding the Fourth Proportional to 93,731.78, 140,638.61 and 60,516.72

Step by Step Solution

1. Step 1: Write the proportion equation
   93,731.78 : 140,638.61 = 60,516.72 : x
2. Step 2: Convert to fraction form
   93,731.78/140,638.61 = 60,516.72/x
3. Step 3: Cross multiply
   93,731.78x = 140,638.61 × 60,516.72
4. Step 4: Simplify right side
   93,731.78x = 8,510,987,533.85
5. Step 5: Solve for x
   x = 8,510,987,533.85/93,731.78
6. Step 6: Final answer
   x = 90,801.51