Finding the Fourth Proportional to 1,665,243.93, 2,298,092.28 and 1,020,539.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,243.93 : 2,298,092.28 = 1,020,539.55 : x
2. Step 2: Convert to fraction form
   1,665,243.93/2,298,092.28 = 1,020,539.55/x
3. Step 3: Cross multiply
   1,665,243.93x = 2,298,092.28 × 1,020,539.55
4. Step 4: Simplify right side
   1,665,243.93x = 2,345,294,061,289.67
5. Step 5: Solve for x
   x = 2,345,294,061,289.67/1,665,243.93
6. Step 6: Final answer
   x = 1,408,378.69