Finding the Fourth Proportional to 42,084.15, 58,153.10 and 40,034.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.15 : 58,153.10 = 40,034.04 : x
2. Step 2: Convert to fraction form
   42,084.15/58,153.10 = 40,034.04/x
3. Step 3: Cross multiply
   42,084.15x = 58,153.10 × 40,034.04
4. Step 4: Simplify right side
   42,084.15x = 2,328,103,531.52
5. Step 5: Solve for x
   x = 2,328,103,531.52/42,084.15
6. Step 6: Final answer
   x = 55,320.20