Finding the Fourth Proportional to 101,233, 139,710.18 and 56,529.64

Step by Step Solution

1. Step 1: Write the proportion equation
   101,233 : 139,710.18 = 56,529.64 : x
2. Step 2: Convert to fraction form
   101,233/139,710.18 = 56,529.64/x
3. Step 3: Cross multiply
   101,233x = 139,710.18 × 56,529.64
4. Step 4: Simplify right side
   101,233x = 7,897,766,179.74
5. Step 5: Solve for x
   x = 7,897,766,179.74/101,233
6. Step 6: Final answer
   x = 78,015.73