Finding the Fourth Proportional to 2,231,449.71, 3,347,057.69 and 612,099.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,449.71 : 3,347,057.69 = 612,099.92 : x
2. Step 2: Convert to fraction form
   2,231,449.71/3,347,057.69 = 612,099.92/x
3. Step 3: Cross multiply
   2,231,449.71x = 3,347,057.69 × 612,099.92
4. Step 4: Simplify right side
   2,231,449.71x = 2,048,733,727,549.10
5. Step 5: Solve for x
   x = 2,048,733,727,549.10/2,231,449.71
6. Step 6: Final answer
   x = 918,117.82