Finding the Fourth Proportional to 72,443.74, 99,977.16 and 40,614.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,443.74 : 99,977.16 = 40,614.70 : x
2. Step 2: Convert to fraction form
   72,443.74/99,977.16 = 40,614.70/x
3. Step 3: Cross multiply
   72,443.74x = 99,977.16 × 40,614.70
4. Step 4: Simplify right side
   72,443.74x = 4,060,542,360.25
5. Step 5: Solve for x
   x = 4,060,542,360.25/72,443.74
6. Step 6: Final answer
   x = 56,050.98