Finding the Fourth Proportional to 93,784.58, 140,676.66 and 72,468.30

Step by Step Solution

1. Step 1: Write the proportion equation
   93,784.58 : 140,676.66 = 72,468.30 : x
2. Step 2: Convert to fraction form
   93,784.58/140,676.66 = 72,468.30/x
3. Step 3: Cross multiply
   93,784.58x = 140,676.66 × 72,468.30
4. Step 4: Simplify right side
   93,784.58x = 10,194,598,399.88
5. Step 5: Solve for x
   x = 10,194,598,399.88/93,784.58
6. Step 6: Final answer
   x = 108,702.29