Finding the Fourth Proportional to 9,622.32, 13,275.06 and 5,641.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,622.32 : 13,275.06 = 5,641.98 : x
2. Step 2: Convert to fraction form
   9,622.32/13,275.06 = 5,641.98/x
3. Step 3: Cross multiply
   9,622.32x = 13,275.06 × 5,641.98
4. Step 4: Simplify right side
   9,622.32x = 74,897,623.02
5. Step 5: Solve for x
   x = 74,897,623.02/9,622.32
6. Step 6: Final answer
   x = 7,783.74