Finding the Fourth Proportional to 9,968.67, 14,921.42 and 5,572.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,968.67 : 14,921.42 = 5,572.80 : x
2. Step 2: Convert to fraction form
   9,968.67/14,921.42 = 5,572.80/x
3. Step 3: Cross multiply
   9,968.67x = 14,921.42 × 5,572.80
4. Step 4: Simplify right side
   9,968.67x = 83,154,061.51
5. Step 5: Solve for x
   x = 83,154,061.51/9,968.67
6. Step 6: Final answer
   x = 8,341.54