Finding the Fourth Proportional to 79,434.72, 109,613.52 and 45,902.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,434.72 : 109,613.52 = 45,902.88 : x
2. Step 2: Convert to fraction form
   79,434.72/109,613.52 = 45,902.88/x
3. Step 3: Cross multiply
   79,434.72x = 109,613.52 × 45,902.88
4. Step 4: Simplify right side
   79,434.72x = 5,031,576,254.94
5. Step 5: Solve for x
   x = 5,031,576,254.94/79,434.72
6. Step 6: Final answer
   x = 63,342.28