Finding the Fourth Proportional to 1,665,211.31, 2,298,047.33 and 1,020,506.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,211.31 : 2,298,047.33 = 1,020,506.99 : x
2. Step 2: Convert to fraction form
   1,665,211.31/2,298,047.33 = 1,020,506.99/x
3. Step 3: Cross multiply
   1,665,211.31x = 2,298,047.33 × 1,020,506.99
4. Step 4: Simplify right side
   1,665,211.31x = 2,345,173,358,513.30
5. Step 5: Solve for x
   x = 2,345,173,358,513.30/1,665,211.31
6. Step 6: Final answer
   x = 1,408,333.80