Finding the Fourth Proportional to 76,822.72, 106,014.72 and 42,830.88

Step by Step Solution

1. Step 1: Write the proportion equation
   76,822.72 : 106,014.72 = 42,830.88 : x
2. Step 2: Convert to fraction form
   76,822.72/106,014.72 = 42,830.88/x
3. Step 3: Cross multiply
   76,822.72x = 106,014.72 × 42,830.88
4. Step 4: Simplify right side
   76,822.72x = 4,540,703,750.55
5. Step 5: Solve for x
   x = 4,540,703,750.55/76,822.72
6. Step 6: Final answer
   x = 59,106.26