Finding the Fourth Proportional to 72,302.04, 99,777.83 and 41,658.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,302.04 : 99,777.83 = 41,658.20 : x
2. Step 2: Convert to fraction form
   72,302.04/99,777.83 = 41,658.20/x
3. Step 3: Cross multiply
   72,302.04x = 99,777.83 × 41,658.20
4. Step 4: Simplify right side
   72,302.04x = 4,156,564,797.71
5. Step 5: Solve for x
   x = 4,156,564,797.71/72,302.04
6. Step 6: Final answer
   x = 57,488.90