Finding the Fourth Proportional to 1,039,793.05, 1,458,859.55 and 1,039,793.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,793.05 : 1,458,859.55 = 1,039,793.05 : x
2. Step 2: Convert to fraction form
   1,039,793.05/1,458,859.55 = 1,039,793.05/x
3. Step 3: Cross multiply
   1,039,793.05x = 1,458,859.55 × 1,039,793.05
4. Step 4: Simplify right side
   1,039,793.05x = 1,516,912,021,016.13
5. Step 5: Solve for x
   x = 1,516,912,021,016.13/1,039,793.05
6. Step 6: Final answer
   x = 1,458,859.55