Finding the Fourth Proportional to 1,061,920.72, 1,465,449.96 and 584,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,920.72 : 1,465,449.96 = 584,992.72 : x
2. Step 2: Convert to fraction form
   1,061,920.72/1,465,449.96 = 584,992.72/x
3. Step 3: Cross multiply
   1,061,920.72x = 1,465,449.96 × 584,992.72
4. Step 4: Simplify right side
   1,061,920.72x = 857,277,558,124.29
5. Step 5: Solve for x
   x = 857,277,558,124.29/1,061,920.72
6. Step 6: Final answer
   x = 807,289.60