Finding the Fourth Proportional to 88,698.88, 133,064.52 and 53,596.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,698.88 : 133,064.52 = 53,596.72 : x
2. Step 2: Convert to fraction form
   88,698.88/133,064.52 = 53,596.72/x
3. Step 3: Cross multiply
   88,698.88x = 133,064.52 × 53,596.72
4. Step 4: Simplify right side
   88,698.88x = 7,131,821,820.37
5. Step 5: Solve for x
   x = 7,131,821,820.37/88,698.88
6. Step 6: Final answer
   x = 80,404.87