Finding the Fourth Proportional to 2,218,516.67, 3,319,019.24 and 1,680,323.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,516.67 : 3,319,019.24 = 1,680,323.30 : x
2. Step 2: Convert to fraction form
   2,218,516.67/3,319,019.24 = 1,680,323.30/x
3. Step 3: Cross multiply
   2,218,516.67x = 3,319,019.24 × 1,680,323.30
4. Step 4: Simplify right side
   2,218,516.67x = 5,577,025,362,016.22
5. Step 5: Solve for x
   x = 5,577,025,362,016.22/2,218,516.67
6. Step 6: Final answer
   x = 2,513,853.27