Finding the Fourth Proportional to 8,739.30, 13,106.94 and 2,499.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,739.30 : 13,106.94 = 2,499.18 : x
2. Step 2: Convert to fraction form
   8,739.30/13,106.94 = 2,499.18/x
3. Step 3: Cross multiply
   8,739.30x = 13,106.94 × 2,499.18
4. Step 4: Simplify right side
   8,739.30x = 32,756,602.31
5. Step 5: Solve for x
   x = 32,756,602.31/8,739.30
6. Step 6: Final answer
   x = 3,748.20