Finding the Fourth Proportional to 3,685.59, 5,087.24 and 2,507.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,685.59 : 5,087.24 = 2,507.34 : x
2. Step 2: Convert to fraction form
   3,685.59/5,087.24 = 2,507.34/x
3. Step 3: Cross multiply
   3,685.59x = 5,087.24 × 2,507.34
4. Step 4: Simplify right side
   3,685.59x = 12,755,459.71
5. Step 5: Solve for x
   x = 12,755,459.71/3,685.59
6. Step 6: Final answer
   x = 3,460.90