Finding the Fourth Proportional to 9,402.74, 12,975.24 and 5,152.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.74 : 12,975.24 = 5,152.98 : x
2. Step 2: Convert to fraction form
   9,402.74/12,975.24 = 5,152.98/x
3. Step 3: Cross multiply
   9,402.74x = 12,975.24 × 5,152.98
4. Step 4: Simplify right side
   9,402.74x = 66,861,152.22
5. Step 5: Solve for x
   x = 66,861,152.22/9,402.74
6. Step 6: Final answer
   x = 7,110.82