Finding the Fourth Proportional to 5,003.90, 7,495.60 and 2,808.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,003.90 : 7,495.60 = 2,808.02 : x
2. Step 2: Convert to fraction form
   5,003.90/7,495.60 = 2,808.02/x
3. Step 3: Cross multiply
   5,003.90x = 7,495.60 × 2,808.02
4. Step 4: Simplify right side
   5,003.90x = 21,047,773.48
5. Step 5: Solve for x
   x = 21,047,773.48/5,003.90
6. Step 6: Final answer
   x = 4,206.27