Finding the Fourth Proportional to 101,045, 139,439.04 and 55,722.92

Step by Step Solution

1. Step 1: Write the proportion equation
   101,045 : 139,439.04 = 55,722.92 : x
2. Step 2: Convert to fraction form
   101,045/139,439.04 = 55,722.92/x
3. Step 3: Cross multiply
   101,045x = 139,439.04 × 55,722.92
4. Step 4: Simplify right side
   101,045x = 7,769,950,470.80
5. Step 5: Solve for x
   x = 7,769,950,470.80/101,045
6. Step 6: Final answer
   x = 76,895.94