Finding the Fourth Proportional to 1,627,131.78, 2,245,205.39 and 901,978.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627,131.78 : 2,245,205.39 = 901,978.88 : x
2. Step 2: Convert to fraction form
   1,627,131.78/2,245,205.39 = 901,978.88/x
3. Step 3: Cross multiply
   1,627,131.78x = 2,245,205.39 × 901,978.88
4. Step 4: Simplify right side
   1,627,131.78x = 2,025,127,827,306.24
5. Step 5: Solve for x
   x = 2,025,127,827,306.24/1,627,131.78
6. Step 6: Final answer
   x = 1,244,599.76