Finding the Fourth Proportional to 7,002.16, 10,510.08 and 5,458.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.16 : 10,510.08 = 5,458.96 : x
2. Step 2: Convert to fraction form
   7,002.16/10,510.08 = 5,458.96/x
3. Step 3: Cross multiply
   7,002.16x = 10,510.08 × 5,458.96
4. Step 4: Simplify right side
   7,002.16x = 57,374,106.32
5. Step 5: Solve for x
   x = 57,374,106.32/7,002.16
6. Step 6: Final answer
   x = 8,193.77