Finding the Fourth Proportional to 79,090.32, 109,144.60 and 43,280.31

Step by Step Solution

1. Step 1: Write the proportion equation
   79,090.32 : 109,144.60 = 43,280.31 : x
2. Step 2: Convert to fraction form
   79,090.32/109,144.60 = 43,280.31/x
3. Step 3: Cross multiply
   79,090.32x = 109,144.60 × 43,280.31
4. Step 4: Simplify right side
   79,090.32x = 4,723,812,122.83
5. Step 5: Solve for x
   x = 4,723,812,122.83/79,090.32
6. Step 6: Final answer
   x = 59,726.81