Finding the Fourth Proportional to 79,490.04, 109,693.98 and 45,031.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79,490.04 : 109,693.98 = 45,031.56 : x
2. Step 2: Convert to fraction form
   79,490.04/109,693.98 = 45,031.56/x
3. Step 3: Cross multiply
   79,490.04x = 109,693.98 × 45,031.56
4. Step 4: Simplify right side
   79,490.04x = 4,939,691,042.01
5. Step 5: Solve for x
   x = 4,939,691,042.01/79,490.04
6. Step 6: Final answer
   x = 62,142.26