Finding the Fourth Proportional to 42,442.12, 58,509.30 and 29,827.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,442.12 : 58,509.30 = 29,827.72 : x
2. Step 2: Convert to fraction form
   42,442.12/58,509.30 = 29,827.72/x
3. Step 3: Cross multiply
   42,442.12x = 58,509.30 × 29,827.72
4. Step 4: Simplify right side
   42,442.12x = 1,745,199,017.80
5. Step 5: Solve for x
   x = 1,745,199,017.80/42,442.12
6. Step 6: Final answer
   x = 41,119.51