Finding the Fourth Proportional to 1,646,049.60, 2,271,636.72 and 920,854.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,646,049.60 : 2,271,636.72 = 920,854.08 : x
2. Step 2: Convert to fraction form
   1,646,049.60/2,271,636.72 = 920,854.08/x
3. Step 3: Cross multiply
   1,646,049.60x = 2,271,636.72 × 920,854.08
4. Step 4: Simplify right side
   1,646,049.60x = 2,091,845,941,889.82
5. Step 5: Solve for x
   x = 2,091,845,941,889.82/1,646,049.60
6. Step 6: Final answer
   x = 1,270,828.01