Finding the Fourth Proportional to 76,839.73, 106,038.37 and 42,848.62

Step by Step Solution

1. Step 1: Write the proportion equation
   76,839.73 : 106,038.37 = 42,848.62 : x
2. Step 2: Convert to fraction form
   76,839.73/106,038.37 = 42,848.62/x
3. Step 3: Cross multiply
   76,839.73x = 106,038.37 × 42,848.62
4. Step 4: Simplify right side
   76,839.73x = 4,543,597,821.55
5. Step 5: Solve for x
   x = 4,543,597,821.55/76,839.73
6. Step 6: Final answer
   x = 59,130.84