Finding the Fourth Proportional to 2,218,870.18, 3,061,218.99 and 1,639,490.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,870.18 : 3,061,218.99 = 1,639,490.14 : x
2. Step 2: Convert to fraction form
   2,218,870.18/3,061,218.99 = 1,639,490.14/x
3. Step 3: Cross multiply
   2,218,870.18x = 3,061,218.99 × 1,639,490.14
4. Step 4: Simplify right side
   2,218,870.18x = 5,018,838,350,485.76
5. Step 5: Solve for x
   x = 5,018,838,350,485.76/2,218,870.18
6. Step 6: Final answer
   x = 2,261,889.13