Finding the Fourth Proportional to 15,980.86, 22,053.27 and 8,907.22

Step by Step Solution

1. Step 1: Write the proportion equation
   15,980.86 : 22,053.27 = 8,907.22 : x
2. Step 2: Convert to fraction form
   15,980.86/22,053.27 = 8,907.22/x
3. Step 3: Cross multiply
   15,980.86x = 22,053.27 × 8,907.22
4. Step 4: Simplify right side
   15,980.86x = 196,433,327.61
5. Step 5: Solve for x
   x = 196,433,327.61/15,980.86
6. Step 6: Final answer
   x = 12,291.79