Finding the Fourth Proportional to 76,253.85, 105,230.33 and 42,264.53

Step by Step Solution

1. Step 1: Write the proportion equation
   76,253.85 : 105,230.33 = 42,264.53 : x
2. Step 2: Convert to fraction form
   76,253.85/105,230.33 = 42,264.53/x
3. Step 3: Cross multiply
   76,253.85x = 105,230.33 × 42,264.53
4. Step 4: Simplify right side
   76,253.85x = 4,447,510,254.83
5. Step 5: Solve for x
   x = 4,447,510,254.83/76,253.85
6. Step 6: Final answer
   x = 58,325.06