Finding the Fourth Proportional to 113,770.88, 157,003.88 and 63,469.88

Step by Step Solution

1. Step 1: Write the proportion equation
   113,770.88 : 157,003.88 = 63,469.88 : x
2. Step 2: Convert to fraction form
   113,770.88/157,003.88 = 63,469.88/x
3. Step 3: Cross multiply
   113,770.88x = 157,003.88 × 63,469.88
4. Step 4: Simplify right side
   113,770.88x = 9,965,016,320.77
5. Step 5: Solve for x
   x = 9,965,016,320.77/113,770.88
6. Step 6: Final answer
   x = 87,588.47