Finding the Fourth Proportional to 101,008.82, 139,386.14 and 55,688.71

Step by Step Solution

1. Step 1: Write the proportion equation
   101,008.82 : 139,386.14 = 55,688.71 : x
2. Step 2: Convert to fraction form
   101,008.82/139,386.14 = 55,688.71/x
3. Step 3: Cross multiply
   101,008.82x = 139,386.14 × 55,688.71
4. Step 4: Simplify right side
   101,008.82x = 7,762,234,328.48
5. Step 5: Solve for x
   x = 7,762,234,328.48/101,008.82
6. Step 6: Final answer
   x = 76,847.09