Finding the Fourth Proportional to 111,196.24, 153,447.84 and 63,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,196.24 : 153,447.84 = 63,448.72 : x
2. Step 2: Convert to fraction form
   111,196.24/153,447.84 = 63,448.72/x
3. Step 3: Cross multiply
   111,196.24x = 153,447.84 × 63,448.72
4. Step 4: Simplify right side
   111,196.24x = 9,736,069,034.76
5. Step 5: Solve for x
   x = 9,736,069,034.76/111,196.24
6. Step 6: Final answer
   x = 87,557.54