Finding the Fourth Proportional to 79,115.31, 109,176.93 and 45,123

Step by Step Solution

1. Step 1: Write the proportion equation
   79,115.31 : 109,176.93 = 45,123 : x
2. Step 2: Convert to fraction form
   79,115.31/109,176.93 = 45,123/x
3. Step 3: Cross multiply
   79,115.31x = 109,176.93 × 45,123
4. Step 4: Simplify right side
   79,115.31x = 4,926,390,612.39
5. Step 5: Solve for x
   x = 4,926,390,612.39/79,115.31
6. Step 6: Final answer
   x = 62,268.49