Finding the Fourth Proportional to 101,008.98, 139,385.84 and 55,687.34

Step by Step Solution

1. Step 1: Write the proportion equation
   101,008.98 : 139,385.84 = 55,687.34 : x
2. Step 2: Convert to fraction form
   101,008.98/139,385.84 = 55,687.34/x
3. Step 3: Cross multiply
   101,008.98x = 139,385.84 × 55,687.34
4. Step 4: Simplify right side
   101,008.98x = 7,762,026,733.29
5. Step 5: Solve for x
   x = 7,762,026,733.29/101,008.98
6. Step 6: Final answer
   x = 76,844.92