Finding the Fourth Proportional to 42,697.96, 58,919.04 and 29,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,697.96 : 58,919.04 = 29,280.72 : x
2. Step 2: Convert to fraction form
   42,697.96/58,919.04 = 29,280.72/x
3. Step 3: Cross multiply
   42,697.96x = 58,919.04 × 29,280.72
4. Step 4: Simplify right side
   42,697.96x = 1,725,191,912.91
5. Step 5: Solve for x
   x = 1,725,191,912.91/42,697.96
6. Step 6: Final answer
   x = 40,404.55