Finding the Fourth Proportional to 1,200,941.43, 1,805,733.20 and 1,107,317.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,941.43 : 1,805,733.20 = 1,107,317.00 : x
2. Step 2: Convert to fraction form
   1,200,941.43/1,805,733.20 = 1,107,317.00/x
3. Step 3: Cross multiply
   1,200,941.43x = 1,805,733.20 × 1,107,317.00
4. Step 4: Simplify right side
   1,200,941.43x = 1,999,519,055,259.15
5. Step 5: Solve for x
   x = 1,999,519,055,259.15/1,200,941.43
6. Step 6: Final answer
   x = 1,664,959.68