Finding the Fourth Proportional to 9,471.32, 13,070.51 and 5,222.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,471.32 : 13,070.51 = 5,222.55 : x
2. Step 2: Convert to fraction form
   9,471.32/13,070.51 = 5,222.55/x
3. Step 3: Cross multiply
   9,471.32x = 13,070.51 × 5,222.55
4. Step 4: Simplify right side
   9,471.32x = 68,261,365.89
5. Step 5: Solve for x
   x = 68,261,365.89/9,471.32
6. Step 6: Final answer
   x = 7,207.17