Finding the Fourth Proportional to 1,484,978.67, 2,227,110.93 and 685,492.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,484,978.67 : 2,227,110.93 = 685,492.20 : x
2. Step 2: Convert to fraction form
   1,484,978.67/2,227,110.93 = 685,492.20/x
3. Step 3: Cross multiply
   1,484,978.67x = 2,227,110.93 × 685,492.20
4. Step 4: Simplify right side
   1,484,978.67x = 1,526,667,171,049.75
5. Step 5: Solve for x
   x = 1,526,667,171,049.75/1,484,978.67
6. Step 6: Final answer
   x = 1,028,073.47