Finding the Fourth Proportional to 71,779.89, 99,033.94 and 40,730.04

Step by Step Solution

1. Step 1: Write the proportion equation
   71,779.89 : 99,033.94 = 40,730.04 : x
2. Step 2: Convert to fraction form
   71,779.89/99,033.94 = 40,730.04/x
3. Step 3: Cross multiply
   71,779.89x = 99,033.94 × 40,730.04
4. Step 4: Simplify right side
   71,779.89x = 4,033,656,337.56
5. Step 5: Solve for x
   x = 4,033,656,337.56/71,779.89
6. Step 6: Final answer
   x = 56,194.80