Finding the Fourth Proportional to 111,519.32, 153,926.16 and 69,053.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,519.32 : 153,926.16 = 69,053.72 : x
2. Step 2: Convert to fraction form
   111,519.32/153,926.16 = 69,053.72/x
3. Step 3: Cross multiply
   111,519.32x = 153,926.16 × 69,053.72
4. Step 4: Simplify right side
   111,519.32x = 10,629,173,953.32
5. Step 5: Solve for x
   x = 10,629,173,953.32/111,519.32
6. Step 6: Final answer
   x = 95,312.40