Finding the Fourth Proportional to 42,084.13, 58,081.73 and 40,699.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,084.13 : 58,081.73 = 40,699.49 : x
2. Step 2: Convert to fraction form
   42,084.13/58,081.73 = 40,699.49/x
3. Step 3: Cross multiply
   42,084.13x = 58,081.73 × 40,699.49
4. Step 4: Simplify right side
   42,084.13x = 2,363,896,789.32
5. Step 5: Solve for x
   x = 2,363,896,789.32/42,084.13
6. Step 6: Final answer
   x = 56,170.74