Finding the Fourth Proportional to 79,111.31, 109,168.13 and 45,121.24

Step by Step Solution

1. Step 1: Write the proportion equation
   79,111.31 : 109,168.13 = 45,121.24 : x
2. Step 2: Convert to fraction form
   79,111.31/109,168.13 = 45,121.24/x
3. Step 3: Cross multiply
   79,111.31x = 109,168.13 × 45,121.24
4. Step 4: Simplify right side
   79,111.31x = 4,925,801,441.40
5. Step 5: Solve for x
   x = 4,925,801,441.40/79,111.31
6. Step 6: Final answer
   x = 62,264.19