Finding the Fourth Proportional to 1,635,005.25, 2,256,307.25 and 919,613.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635,005.25 : 2,256,307.25 = 919,613.25 : x
2. Step 2: Convert to fraction form
   1,635,005.25/2,256,307.25 = 919,613.25/x
3. Step 3: Cross multiply
   1,635,005.25x = 2,256,307.25 × 919,613.25
4. Step 4: Simplify right side
   1,635,005.25x = 2,074,930,038,573.00
5. Step 5: Solve for x
   x = 2,074,930,038,573.00/1,635,005.25
6. Step 6: Final answer
   x = 1,269,066.29