Finding the Fourth Proportional to 111,435.73, 153,743.91 and 63,655.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,435.73 : 153,743.91 = 63,655.25 : x
2. Step 2: Convert to fraction form
   111,435.73/153,743.91 = 63,655.25/x
3. Step 3: Cross multiply
   111,435.73x = 153,743.91 × 63,655.25
4. Step 4: Simplify right side
   111,435.73x = 9,786,606,019.60
5. Step 5: Solve for x
   x = 9,786,606,019.60/111,435.73
6. Step 6: Final answer
   x = 87,822.88