Finding the Fourth Proportional to 111,462.55, 153,788.56 and 66,102.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,462.55 : 153,788.56 = 66,102.82 : x
2. Step 2: Convert to fraction form
   111,462.55/153,788.56 = 66,102.82/x
3. Step 3: Cross multiply
   111,462.55x = 153,788.56 × 66,102.82
4. Step 4: Simplify right side
   111,462.55x = 10,165,857,499.74
5. Step 5: Solve for x
   x = 10,165,857,499.74/111,462.55
6. Step 6: Final answer
   x = 91,204.24