Finding the Fourth Proportional to 101,498.27, 140,064.80 and 56,175.12

Step by Step Solution

1. Step 1: Write the proportion equation
   101,498.27 : 140,064.80 = 56,175.12 : x
2. Step 2: Convert to fraction form
   101,498.27/140,064.80 = 56,175.12/x
3. Step 3: Cross multiply
   101,498.27x = 140,064.80 × 56,175.12
4. Step 4: Simplify right side
   101,498.27x = 7,868,156,666.90
5. Step 5: Solve for x
   x = 7,868,156,666.90/101,498.27
6. Step 6: Final answer
   x = 77,520.11