Finding the Fourth Proportional to 111,196.38, 153,445.10 and 63,454.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,196.38 : 153,445.10 = 63,454.16 : x
2. Step 2: Convert to fraction form
   111,196.38/153,445.10 = 63,454.16/x
3. Step 3: Cross multiply
   111,196.38x = 153,445.10 × 63,454.16
4. Step 4: Simplify right side
   111,196.38x = 9,736,729,926.62
5. Step 5: Solve for x
   x = 9,736,729,926.62/111,196.38
6. Step 6: Final answer
   x = 87,563.37