Finding the Fourth Proportional to 1,665,887.43, 2,298,529.24 and 1,012,502.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,887.43 : 2,298,529.24 = 1,012,502.05 : x
2. Step 2: Convert to fraction form
   1,665,887.43/2,298,529.24 = 1,012,502.05/x
3. Step 3: Cross multiply
   1,665,887.43x = 2,298,529.24 × 1,012,502.05
4. Step 4: Simplify right side
   1,665,887.43x = 2,327,265,563,004.25
5. Step 5: Solve for x
   x = 2,327,265,563,004.25/1,665,887.43
6. Step 6: Final answer
   x = 1,397,012.50