Finding the Fourth Proportional to 5,004.34, 7,499.57 and 1,881.21

Step by Step Solution

1. Step 1: Write the proportion equation
   5,004.34 : 7,499.57 = 1,881.21 : x
2. Step 2: Convert to fraction form
   5,004.34/7,499.57 = 1,881.21/x
3. Step 3: Cross multiply
   5,004.34x = 7,499.57 × 1,881.21
4. Step 4: Simplify right side
   5,004.34x = 14,108,270.78
5. Step 5: Solve for x
   x = 14,108,270.78/5,004.34
6. Step 6: Final answer
   x = 2,819.21