Finding the Fourth Proportional to 2,316.72, 3,457.68 and 2,002.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.72 : 3,457.68 = 2,002.98 : x
2. Step 2: Convert to fraction form
   2,316.72/3,457.68 = 2,002.98/x
3. Step 3: Cross multiply
   2,316.72x = 3,457.68 × 2,002.98
4. Step 4: Simplify right side
   2,316.72x = 6,925,663.89
5. Step 5: Solve for x
   x = 6,925,663.89/2,316.72
6. Step 6: Final answer
   x = 2,989.43