Finding the Fourth Proportional to 109,621.52, 151,279.12 and 69,293.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,621.52 : 151,279.12 = 69,293.28 : x
2. Step 2: Convert to fraction form
   109,621.52/151,279.12 = 69,293.28/x
3. Step 3: Cross multiply
   109,621.52x = 151,279.12 × 69,293.28
4. Step 4: Simplify right side
   109,621.52x = 10,482,626,420.31
5. Step 5: Solve for x
   x = 10,482,626,420.31/109,621.52
6. Step 6: Final answer
   x = 95,625.63