Finding the Fourth Proportional to 101,380.16, 139,758.24 and 69,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   101,380.16 : 139,758.24 = 69,498.56 : x
2. Step 2: Convert to fraction form
   101,380.16/139,758.24 = 69,498.56/x
3. Step 3: Cross multiply
   101,380.16x = 139,758.24 × 69,498.56
4. Step 4: Simplify right side
   101,380.16x = 9,712,996,428.13
5. Step 5: Solve for x
   x = 9,712,996,428.13/101,380.16
6. Step 6: Final answer
   x = 95,807.67