Finding the Fourth Proportional to 1,105,307.82, 1,525,314.02 and 615,269.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,307.82 : 1,525,314.02 = 615,269.57 : x
2. Step 2: Convert to fraction form
   1,105,307.82/1,525,314.02 = 615,269.57/x
3. Step 3: Cross multiply
   1,105,307.82x = 1,525,314.02 × 615,269.57
4. Step 4: Simplify right side
   1,105,307.82x = 938,479,296,217.38
5. Step 5: Solve for x
   x = 938,479,296,217.38/1,105,307.82
6. Step 6: Final answer
   x = 849,066.00