Finding the Fourth Proportional to 127,061.32, 175,229.88 and 79,319.08

Step by Step Solution

1. Step 1: Write the proportion equation
   127,061.32 : 175,229.88 = 79,319.08 : x
2. Step 2: Convert to fraction form
   127,061.32/175,229.88 = 79,319.08/x
3. Step 3: Cross multiply
   127,061.32x = 175,229.88 × 79,319.08
4. Step 4: Simplify right side
   127,061.32x = 13,899,072,870.11
5. Step 5: Solve for x
   x = 13,899,072,870.11/127,061.32
6. Step 6: Final answer
   x = 109,388.70