Finding the Fourth Proportional to 1,921,007.19, 2,874,826.15 and 1,191,189.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,921,007.19 : 2,874,826.15 = 1,191,189.25 : x
2. Step 2: Convert to fraction form
   1,921,007.19/2,874,826.15 = 1,191,189.25/x
3. Step 3: Cross multiply
   1,921,007.19x = 2,874,826.15 × 1,191,189.25
4. Step 4: Simplify right side
   1,921,007.19x = 3,424,462,005,498.89
5. Step 5: Solve for x
   x = 3,424,462,005,498.89/1,921,007.19
6. Step 6: Final answer
   x = 1,782,638.83