Finding the Fourth Proportional to 76,375.50, 105,393.72 and 42,381.53

Step by Step Solution

1. Step 1: Write the proportion equation
   76,375.50 : 105,393.72 = 42,381.53 : x
2. Step 2: Convert to fraction form
   76,375.50/105,393.72 = 42,381.53/x
3. Step 3: Cross multiply
   76,375.50x = 105,393.72 × 42,381.53
4. Step 4: Simplify right side
   76,375.50x = 4,466,747,105.99
5. Step 5: Solve for x
   x = 4,466,747,105.99/76,375.50
6. Step 6: Final answer
   x = 58,484.03