Finding the Fourth Proportional to 79,090.32, 109,144.65 and 43,280.34

Step by Step Solution

1. Step 1: Write the proportion equation
   79,090.32 : 109,144.65 = 43,280.34 : x
2. Step 2: Convert to fraction form
   79,090.32/109,144.65 = 43,280.34/x
3. Step 3: Cross multiply
   79,090.32x = 109,144.65 × 43,280.34
4. Step 4: Simplify right side
   79,090.32x = 4,723,817,151.89
5. Step 5: Solve for x
   x = 4,723,817,151.89/79,090.32
6. Step 6: Final answer
   x = 59,726.87