Finding the Fourth Proportional to 1,915,974.96, 2,643,945.72 and 1,190,807.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915,974.96 : 2,643,945.72 = 1,190,807.10 : x
2. Step 2: Convert to fraction form
   1,915,974.96/2,643,945.72 = 1,190,807.10/x
3. Step 3: Cross multiply
   1,915,974.96x = 2,643,945.72 × 1,190,807.10
4. Step 4: Simplify right side
   1,915,974.96x = 3,148,429,335,390.61
5. Step 5: Solve for x
   x = 3,148,429,335,390.61/1,915,974.96
6. Step 6: Final answer
   x = 1,643,251.82