Finding the Fourth Proportional to 72,322.68, 99,799.92 and 42,108.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,322.68 : 99,799.92 = 42,108.24 : x
2. Step 2: Convert to fraction form
   72,322.68/99,799.92 = 42,108.24/x
3. Step 3: Cross multiply
   72,322.68x = 99,799.92 × 42,108.24
4. Step 4: Simplify right side
   72,322.68x = 4,202,398,983.34
5. Step 5: Solve for x
   x = 4,202,398,983.34/72,322.68
6. Step 6: Final answer
   x = 58,106.24