Finding the Fourth Proportional to 76,339.80, 105,349.56 and 42,350.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,339.80 : 105,349.56 = 42,350.52 : x
2. Step 2: Convert to fraction form
   76,339.80/105,349.56 = 42,350.52/x
3. Step 3: Cross multiply
   76,339.80x = 105,349.56 × 42,350.52
4. Step 4: Simplify right side
   76,339.80x = 4,461,608,647.77
5. Step 5: Solve for x
   x = 4,461,608,647.77/76,339.80
6. Step 6: Final answer
   x = 58,444.07