Finding the Fourth Proportional to 2,645,081.40, 3,968,205.30 and 848,047.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,081.40 : 3,968,205.30 = 848,047.80 : x
2. Step 2: Convert to fraction form
   2,645,081.40/3,968,205.30 = 848,047.80/x
3. Step 3: Cross multiply
   2,645,081.40x = 3,968,205.30 × 848,047.80
4. Step 4: Simplify right side
   2,645,081.40x = 3,365,227,774,613.34
5. Step 5: Solve for x
   x = 3,365,227,774,613.34/2,645,081.40
6. Step 6: Final answer
   x = 1,272,258.68