Finding the Fourth Proportional to 79,090.92, 109,142.82 and 43,278.53

Step by Step Solution

1. Step 1: Write the proportion equation
   79,090.92 : 109,142.82 = 43,278.53 : x
2. Step 2: Convert to fraction form
   79,090.92/109,142.82 = 43,278.53/x
3. Step 3: Cross multiply
   79,090.92x = 109,142.82 × 43,278.53
4. Step 4: Simplify right side
   79,090.92x = 4,723,540,263.94
5. Step 5: Solve for x
   x = 4,723,540,263.94/79,090.92
6. Step 6: Final answer
   x = 59,722.91