Finding the Fourth Proportional to 101,007.82, 139,384.76 and 55,687.71

Step by Step Solution

1. Step 1: Write the proportion equation
   101,007.82 : 139,384.76 = 55,687.71 : x
2. Step 2: Convert to fraction form
   101,007.82/139,384.76 = 55,687.71/x
3. Step 3: Cross multiply
   101,007.82x = 139,384.76 × 55,687.71
4. Step 4: Simplify right side
   101,007.82x = 7,762,018,093.30
5. Step 5: Solve for x
   x = 7,762,018,093.30/101,007.82
6. Step 6: Final answer
   x = 76,845.71