Finding the Fourth Proportional to 125,363.56, 188,045.98 and 42,258.28

Step by Step Solution

1. Step 1: Write the proportion equation
   125,363.56 : 188,045.98 = 42,258.28 : x
2. Step 2: Convert to fraction form
   125,363.56/188,045.98 = 42,258.28/x
3. Step 3: Cross multiply
   125,363.56x = 188,045.98 × 42,258.28
4. Step 4: Simplify right side
   125,363.56x = 7,946,499,675.71
5. Step 5: Solve for x
   x = 7,946,499,675.71/125,363.56
6. Step 6: Final answer
   x = 63,387.64