Finding the Fourth Proportional to 1,554,952.50, 2,145,100.78 and 909,973.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554,952.50 : 2,145,100.78 = 909,973.40 : x
2. Step 2: Convert to fraction form
   1,554,952.50/2,145,100.78 = 909,973.40/x
3. Step 3: Cross multiply
   1,554,952.50x = 2,145,100.78 × 909,973.40
4. Step 4: Simplify right side
   1,554,952.50x = 1,951,984,650,119.25
5. Step 5: Solve for x
   x = 1,951,984,650,119.25/1,554,952.50
6. Step 6: Final answer
   x = 1,255,333.94