Finding the Fourth Proportional to 1,386,882.72, 1,913,936.04 and 783,270.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,386,882.72 : 1,913,936.04 = 783,270.72 : x
2. Step 2: Convert to fraction form
   1,386,882.72/1,913,936.04 = 783,270.72/x
3. Step 3: Cross multiply
   1,386,882.72x = 1,913,936.04 × 783,270.72
4. Step 4: Simplify right side
   1,386,882.72x = 1,499,130,060,084.75
5. Step 5: Solve for x
   x = 1,499,130,060,084.75/1,386,882.72
6. Step 6: Final answer
   x = 1,080,934.99