Finding the Fourth Proportional to 744,287.22, 1,027,106.72 and 404,748.18

Step by Step Solution

1. Step 1: Write the proportion equation
   744,287.22 : 1,027,106.72 = 404,748.18 : x
2. Step 2: Convert to fraction form
   744,287.22/1,027,106.72 = 404,748.18/x
3. Step 3: Cross multiply
   744,287.22x = 1,027,106.72 × 404,748.18
4. Step 4: Simplify right side
   744,287.22x = 415,719,575,585.77
5. Step 5: Solve for x
   x = 415,719,575,585.77/744,287.22
6. Step 6: Final answer
   x = 558,547.24