Finding the Fourth Proportional to 101,499.27, 140,066.17 and 56,176.12

Step by Step Solution

1. Step 1: Write the proportion equation
   101,499.27 : 140,066.17 = 56,176.12 : x
2. Step 2: Convert to fraction form
   101,499.27/140,066.17 = 56,176.12/x
3. Step 3: Cross multiply
   101,499.27x = 140,066.17 × 56,176.12
4. Step 4: Simplify right side
   101,499.27x = 7,868,373,973.86
5. Step 5: Solve for x
   x = 7,868,373,973.86/101,499.27
6. Step 6: Final answer
   x = 77,521.48