Finding the Fourth Proportional to 2,653,735.06, 3,980,606.69 and 807,263.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653,735.06 : 3,980,606.69 = 807,263.31 : x
2. Step 2: Convert to fraction form
   2,653,735.06/3,980,606.69 = 807,263.31/x
3. Step 3: Cross multiply
   2,653,735.06x = 3,980,606.69 × 807,263.31
4. Step 4: Simplify right side
   2,653,735.06x = 3,213,397,749,322.98
5. Step 5: Solve for x
   x = 3,213,397,749,322.98/2,653,735.06
6. Step 6: Final answer
   x = 1,210,896.22