Finding the Fourth Proportional to 42,815.90, 59,085.01 and 23,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,815.90 : 59,085.01 = 23,434.72 : x
2. Step 2: Convert to fraction form
   42,815.90/59,085.01 = 23,434.72/x
3. Step 3: Cross multiply
   42,815.90x = 59,085.01 × 23,434.72
4. Step 4: Simplify right side
   42,815.90x = 1,384,640,665.55
5. Step 5: Solve for x
   x = 1,384,640,665.55/42,815.90
6. Step 6: Final answer
   x = 32,339.40