Finding the Fourth Proportional to 76,250.61, 105,225.83 and 42,264.20

Step by Step Solution

1. Step 1: Write the proportion equation
   76,250.61 : 105,225.83 = 42,264.20 : x
2. Step 2: Convert to fraction form
   76,250.61/105,225.83 = 42,264.20/x
3. Step 3: Cross multiply
   76,250.61x = 105,225.83 × 42,264.20
4. Step 4: Simplify right side
   76,250.61x = 4,447,285,602.32
5. Step 5: Solve for x
   x = 4,447,285,602.32/76,250.61
6. Step 6: Final answer
   x = 58,324.59