Finding the Fourth Proportional to 9,975.86, 13,766.25 and 5,498.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,975.86 : 13,766.25 = 5,498.79 : x
2. Step 2: Convert to fraction form
   9,975.86/13,766.25 = 5,498.79/x
3. Step 3: Cross multiply
   9,975.86x = 13,766.25 × 5,498.79
4. Step 4: Simplify right side
   9,975.86x = 75,697,686.83
5. Step 5: Solve for x
   x = 75,697,686.83/9,975.86
6. Step 6: Final answer
   x = 7,588.09