Finding the Fourth Proportional to 76,342.67, 105,353.15 and 42,351.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,342.67 : 105,353.15 = 42,351.83 : x
2. Step 2: Convert to fraction form
   76,342.67/105,353.15 = 42,351.83/x
3. Step 3: Cross multiply
   76,342.67x = 105,353.15 × 42,351.83
4. Step 4: Simplify right side
   76,342.67x = 4,461,897,960.24
5. Step 5: Solve for x
   x = 4,461,897,960.24/76,342.67
6. Step 6: Final answer
   x = 58,445.67