Finding the Fourth Proportional to 1,618,882.10, 2,429,003.55 and 870,053.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,882.10 : 2,429,003.55 = 870,053.30 : x
2. Step 2: Convert to fraction form
   1,618,882.10/2,429,003.55 = 870,053.30/x
3. Step 3: Cross multiply
   1,618,882.10x = 2,429,003.55 × 870,053.30
4. Step 4: Simplify right side
   1,618,882.10x = 2,113,362,554,389.22
5. Step 5: Solve for x
   x = 2,113,362,554,389.22/1,618,882.10
6. Step 6: Final answer
   x = 1,305,445.62