Finding the Fourth Proportional to 72,274.59, 99,731.91 and 42,063.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,274.59 : 99,731.91 = 42,063.92 : x
2. Step 2: Convert to fraction form
   72,274.59/99,731.91 = 42,063.92/x
3. Step 3: Cross multiply
   72,274.59x = 99,731.91 × 42,063.92
4. Step 4: Simplify right side
   72,274.59x = 4,195,114,585.03
5. Step 5: Solve for x
   x = 4,195,114,585.03/72,274.59
6. Step 6: Final answer
   x = 58,044.11