Finding the Fourth Proportional to 111,241.25, 153,523.94 and 63,501.78

Step by Step Solution

1. Step 1: Write the proportion equation
   111,241.25 : 153,523.94 = 63,501.78 : x
2. Step 2: Convert to fraction form
   111,241.25/153,523.94 = 63,501.78/x
3. Step 3: Cross multiply
   111,241.25x = 153,523.94 × 63,501.78
4. Step 4: Simplify right side
   111,241.25x = 9,749,043,462.61
5. Step 5: Solve for x
   x = 9,749,043,462.61/111,241.25
6. Step 6: Final answer
   x = 87,638.74