Finding the Fourth Proportional to 111,196.46, 153,448.92 and 63,442.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,196.46 : 153,448.92 = 63,442.10 : x
2. Step 2: Convert to fraction form
   111,196.46/153,448.92 = 63,442.10/x
3. Step 3: Cross multiply
   111,196.46x = 153,448.92 × 63,442.10
4. Step 4: Simplify right side
   111,196.46x = 9,735,121,727.53
5. Step 5: Solve for x
   x = 9,735,121,727.53/111,196.46
6. Step 6: Final answer
   x = 87,548.85