Finding the Fourth Proportional to 1,665,258.96, 2,298,112.98 and 1,020,554.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,258.96 : 2,298,112.98 = 1,020,554.58 : x
2. Step 2: Convert to fraction form
   1,665,258.96/2,298,112.98 = 1,020,554.58/x
3. Step 3: Cross multiply
   1,665,258.96x = 2,298,112.98 × 1,020,554.58
4. Step 4: Simplify right side
   1,665,258.96x = 2,345,349,727,096.45
5. Step 5: Solve for x
   x = 2,345,349,727,096.45/1,665,258.96
6. Step 6: Final answer
   x = 1,408,399.40