Finding the Fourth Proportional to 111,493.32, 153,890.28 and 69,027.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,493.32 : 153,890.28 = 69,027.72 : x
2. Step 2: Convert to fraction form
   111,493.32/153,890.28 = 69,027.72/x
3. Step 3: Cross multiply
   111,493.32x = 153,890.28 × 69,027.72
4. Step 4: Simplify right side
   111,493.32x = 10,622,695,158.56
5. Step 5: Solve for x
   x = 10,622,695,158.56/111,493.32
6. Step 6: Final answer
   x = 95,276.52