Finding the Fourth Proportional to 52,990.89, 73,128.77 and 29,118.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,990.89 : 73,128.77 = 29,118.17 : x
2. Step 2: Convert to fraction form
   52,990.89/73,128.77 = 29,118.17/x
3. Step 3: Cross multiply
   52,990.89x = 73,128.77 × 29,118.17
4. Step 4: Simplify right side
   52,990.89x = 2,129,375,445.52
5. Step 5: Solve for x
   x = 2,129,375,445.52/52,990.89
6. Step 6: Final answer
   x = 40,183.80