Finding the Fourth Proportional to 1,782,561.38, 2,459,938.75 and 1,018,613.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782,561.38 : 2,459,938.75 = 1,018,613.12 : x
2. Step 2: Convert to fraction form
   1,782,561.38/2,459,938.75 = 1,018,613.12/x
3. Step 3: Cross multiply
   1,782,561.38x = 2,459,938.75 × 1,018,613.12
4. Step 4: Simplify right side
   1,782,561.38x = 2,505,725,870,300.17
5. Step 5: Solve for x
   x = 2,505,725,870,300.17/1,782,561.38
6. Step 6: Final answer
   x = 1,405,688.41