Finding the Fourth Proportional to 1,776,935.98, 2,665,401.90 and 578,856.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776,935.98 : 2,665,401.90 = 578,856.38 : x
2. Step 2: Convert to fraction form
   1,776,935.98/2,665,401.90 = 578,856.38/x
3. Step 3: Cross multiply
   1,776,935.98x = 2,665,401.90 × 578,856.38
4. Step 4: Simplify right side
   1,776,935.98x = 1,542,884,895,079.12
5. Step 5: Solve for x
   x = 1,542,884,895,079.12/1,776,935.98
6. Step 6: Final answer
   x = 868,283.90