Finding the Fourth Proportional to 79,109.49, 109,170.28 and 45,117.10

Step by Step Solution

1. Step 1: Write the proportion equation
   79,109.49 : 109,170.28 = 45,117.10 : x
2. Step 2: Convert to fraction form
   79,109.49/109,170.28 = 45,117.10/x
3. Step 3: Cross multiply
   79,109.49x = 109,170.28 × 45,117.10
4. Step 4: Simplify right side
   79,109.49x = 4,925,446,632.65
5. Step 5: Solve for x
   x = 4,925,446,632.65/79,109.49
6. Step 6: Final answer
   x = 62,261.13