Finding the Fourth Proportional to 111,576.32, 153,976.16 and 63,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,576.32 : 153,976.16 = 63,826.72 : x
2. Step 2: Convert to fraction form
   111,576.32/153,976.16 = 63,826.72/x
3. Step 3: Cross multiply
   111,576.32x = 153,976.16 × 63,826.72
4. Step 4: Simplify right side
   111,576.32x = 9,827,793,251.00
5. Step 5: Solve for x
   x = 9,827,793,251.00/111,576.32
6. Step 6: Final answer
   x = 88,081.35