Finding the Fourth Proportional to 76,354.43, 105,381.77 and 42,373.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,354.43 : 105,381.77 = 42,373.83 : x
2. Step 2: Convert to fraction form
   76,354.43/105,381.77 = 42,373.83/x
3. Step 3: Cross multiply
   76,354.43x = 105,381.77 × 42,373.83
4. Step 4: Simplify right side
   76,354.43x = 4,465,429,390.39
5. Step 5: Solve for x
   x = 4,465,429,390.39/76,354.43
6. Step 6: Final answer
   x = 58,482.91