Finding the Fourth Proportional to 2,047,645.20, 2,826,312.45 and 1,188,482.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047,645.20 : 2,826,312.45 = 1,188,482.25 : x
2. Step 2: Convert to fraction form
   2,047,645.20/2,826,312.45 = 1,188,482.25/x
3. Step 3: Cross multiply
   2,047,645.20x = 2,826,312.45 × 1,188,482.25
4. Step 4: Simplify right side
   2,047,645.20x = 3,359,022,179,779.01
5. Step 5: Solve for x
   x = 3,359,022,179,779.01/2,047,645.20
6. Step 6: Final answer
   x = 1,640,431.74