Finding the Fourth Proportional to 42,612.16, 58,758.60 and 29,009

Step by Step Solution

1. Step 1: Write the proportion equation
   42,612.16 : 58,758.60 = 29,009 : x
2. Step 2: Convert to fraction form
   42,612.16/58,758.60 = 29,009/x
3. Step 3: Cross multiply
   42,612.16x = 58,758.60 × 29,009
4. Step 4: Simplify right side
   42,612.16x = 1,704,528,227.40
5. Step 5: Solve for x
   x = 1,704,528,227.40/42,612.16
6. Step 6: Final answer
   x = 40,000.98