Finding the Fourth Proportional to 8,499,247.28, 12,744,196.17 and 5,806,612.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499,247.28 : 12,744,196.17 = 5,806,612.88 : x
2. Step 2: Convert to fraction form
   8,499,247.28/12,744,196.17 = 5,806,612.88/x
3. Step 3: Cross multiply
   8,499,247.28x = 12,744,196.17 × 5,806,612.88
4. Step 4: Simplify right side
   8,499,247.28x = 74,000,613,625,968.67
5. Step 5: Solve for x
   x = 74,000,613,625,968.67/8,499,247.28
6. Step 6: Final answer
   x = 8,706,725.57