Finding the Fourth Proportional to 5,704.23, 7,877.28 and 5,393.63

Step by Step Solution

1. Step 1: Write the proportion equation
   5,704.23 : 7,877.28 = 5,393.63 : x
2. Step 2: Convert to fraction form
   5,704.23/7,877.28 = 5,393.63/x
3. Step 3: Cross multiply
   5,704.23x = 7,877.28 × 5,393.63
4. Step 4: Simplify right side
   5,704.23x = 42,487,094.34
5. Step 5: Solve for x
   x = 42,487,094.34/5,704.23
6. Step 6: Final answer
   x = 7,448.35