Finding the Fourth Proportional to 101,028.83, 139,417.10 and 55,706.04

Step by Step Solution

1. Step 1: Write the proportion equation
   101,028.83 : 139,417.10 = 55,706.04 : x
2. Step 2: Convert to fraction form
   101,028.83/139,417.10 = 55,706.04/x
3. Step 3: Cross multiply
   101,028.83x = 139,417.10 × 55,706.04
4. Step 4: Simplify right side
   101,028.83x = 7,766,373,573.67
5. Step 5: Solve for x
   x = 7,766,373,573.67/101,028.83
6. Step 6: Final answer
   x = 76,872.85