Finding the Fourth Proportional to 1,932,805.30, 2,668,605.78 and 1,207,978.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932,805.30 : 2,668,605.78 = 1,207,978.84 : x
2. Step 2: Convert to fraction form
   1,932,805.30/2,668,605.78 = 1,207,978.84/x
3. Step 3: Cross multiply
   1,932,805.30x = 2,668,605.78 × 1,207,978.84
4. Step 4: Simplify right side
   1,932,805.30x = 3,223,619,314,541.70
5. Step 5: Solve for x
   x = 3,223,619,314,541.70/1,932,805.30
6. Step 6: Final answer
   x = 1,667,844.82