Finding the Fourth Proportional to 1,670,499, 2,305,290.24 and 906,552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,670,499 : 2,305,290.24 = 906,552.72 : x
2. Step 2: Convert to fraction form
   1,670,499/2,305,290.24 = 906,552.72/x
3. Step 3: Cross multiply
   1,670,499x = 2,305,290.24 × 906,552.72
4. Step 4: Simplify right side
   1,670,499x = 2,089,867,137,461.45
5. Step 5: Solve for x
   x = 2,089,867,137,461.45/1,670,499
6. Step 6: Final answer
   x = 1,251,043.63