Finding the Fourth Proportional to 2,061,192.40, 3,090,339.84 and 907,891.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061,192.40 : 3,090,339.84 = 907,891.60 : x
2. Step 2: Convert to fraction form
   2,061,192.40/3,090,339.84 = 907,891.60/x
3. Step 3: Cross multiply
   2,061,192.40x = 3,090,339.84 × 907,891.60
4. Step 4: Simplify right side
   2,061,192.40x = 2,805,693,581,881.34
5. Step 5: Solve for x
   x = 2,805,693,581,881.34/2,061,192.40
6. Step 6: Final answer
   x = 1,361,199.27