Finding the Fourth Proportional to 1,665,246.17, 2,298,081.71 and 1,021,021.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,246.17 : 2,298,081.71 = 1,021,021.58 : x
2. Step 2: Convert to fraction form
   1,665,246.17/2,298,081.71 = 1,021,021.58/x
3. Step 3: Cross multiply
   1,665,246.17x = 2,298,081.71 × 1,021,021.58
4. Step 4: Simplify right side
   1,665,246.17x = 2,346,391,018,513.30
5. Step 5: Solve for x
   x = 2,346,391,018,513.30/1,665,246.17
6. Step 6: Final answer
   x = 1,409,035.53