Finding the Fourth Proportional to 83,722.28, 125,460.54 and 42,112.04

Step by Step Solution

1. Step 1: Write the proportion equation
   83,722.28 : 125,460.54 = 42,112.04 : x
2. Step 2: Convert to fraction form
   83,722.28/125,460.54 = 42,112.04/x
3. Step 3: Cross multiply
   83,722.28x = 125,460.54 × 42,112.04
4. Step 4: Simplify right side
   83,722.28x = 5,283,399,278.90
5. Step 5: Solve for x
   x = 5,283,399,278.90/83,722.28
6. Step 6: Final answer
   x = 63,106.25