Finding the Fourth Proportional to 1,368,152, 1,888,049.76 and 764,540

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368,152 : 1,888,049.76 = 764,540 : x
2. Step 2: Convert to fraction form
   1,368,152/1,888,049.76 = 764,540/x
3. Step 3: Cross multiply
   1,368,152x = 1,888,049.76 × 764,540
4. Step 4: Simplify right side
   1,368,152x = 1,443,489,563,510.40
5. Step 5: Solve for x
   x = 1,443,489,563,510.40/1,368,152
6. Step 6: Final answer
   x = 1,055,065.20