Finding the Fourth Proportional to 1,830,139.28, 2,525,685.28 and 1,055,482.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830,139.28 : 2,525,685.28 = 1,055,482.10 : x
2. Step 2: Convert to fraction form
   1,830,139.28/2,525,685.28 = 1,055,482.10/x
3. Step 3: Cross multiply
   1,830,139.28x = 2,525,685.28 × 1,055,482.10
4. Step 4: Simplify right side
   1,830,139.28x = 2,665,815,588,006.36
5. Step 5: Solve for x
   x = 2,665,815,588,006.36/1,830,139.28
6. Step 6: Final answer
   x = 1,456,618.97