Finding the Fourth Proportional to 5,002.31, 7,503.35 and 1,670.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,002.31 : 7,503.35 = 1,670.79 : x
2. Step 2: Convert to fraction form
   5,002.31/7,503.35 = 1,670.79/x
3. Step 3: Cross multiply
   5,002.31x = 7,503.35 × 1,670.79
4. Step 4: Simplify right side
   5,002.31x = 12,536,513.79
5. Step 5: Solve for x
   x = 12,536,513.79/5,002.31
6. Step 6: Final answer
   x = 2,506.15