Finding the Fourth Proportional to 101,026.23, 139,417.16 and 55,706.02

Step by Step Solution

1. Step 1: Write the proportion equation
   101,026.23 : 139,417.16 = 55,706.02 : x
2. Step 2: Convert to fraction form
   101,026.23/139,417.16 = 55,706.02/x
3. Step 3: Cross multiply
   101,026.23x = 139,417.16 × 55,706.02
4. Step 4: Simplify right side
   101,026.23x = 7,766,375,103.30
5. Step 5: Solve for x
   x = 7,766,375,103.30/101,026.23
6. Step 6: Final answer
   x = 76,874.84