Finding the Fourth Proportional to 79,123.35, 109,191.51 and 43,312.76

Step by Step Solution

1. Step 1: Write the proportion equation
   79,123.35 : 109,191.51 = 43,312.76 : x
2. Step 2: Convert to fraction form
   79,123.35/109,191.51 = 43,312.76/x
3. Step 3: Cross multiply
   79,123.35x = 109,191.51 × 43,312.76
4. Step 4: Simplify right side
   79,123.35x = 4,729,385,120.71
5. Step 5: Solve for x
   x = 4,729,385,120.71/79,123.35
6. Step 6: Final answer
   x = 59,772.31