Finding the Fourth Proportional to 5,186.16, 7,157.16 and 2,948.00

Step by Step Solution

1. Step 1: Write the proportion equation
   5,186.16 : 7,157.16 = 2,948.00 : x
2. Step 2: Convert to fraction form
   5,186.16/7,157.16 = 2,948.00/x
3. Step 3: Cross multiply
   5,186.16x = 7,157.16 × 2,948.00
4. Step 4: Simplify right side
   5,186.16x = 21,099,271.89
5. Step 5: Solve for x
   x = 21,099,271.89/5,186.16
6. Step 6: Final answer
   x = 4,068.38