Finding the Fourth Proportional to 72,277.43, 99,762.98 and 42,068.61

Step by Step Solution

1. Step 1: Write the proportion equation
   72,277.43 : 99,762.98 = 42,068.61 : x
2. Step 2: Convert to fraction form
   72,277.43/99,762.98 = 42,068.61/x
3. Step 3: Cross multiply
   72,277.43x = 99,762.98 × 42,068.61
4. Step 4: Simplify right side
   72,277.43x = 4,196,889,687.71
5. Step 5: Solve for x
   x = 4,196,889,687.71/72,277.43
6. Step 6: Final answer
   x = 58,066.40