Finding the Fourth Proportional to 1,509,690.72, 2,083,404.96 and 830,628.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,509,690.72 : 2,083,404.96 = 830,628.48 : x
2. Step 2: Convert to fraction form
   1,509,690.72/2,083,404.96 = 830,628.48/x
3. Step 3: Cross multiply
   1,509,690.72x = 2,083,404.96 × 830,628.48
4. Step 4: Simplify right side
   1,509,690.72x = 1,730,535,495,149.26
5. Step 5: Solve for x
   x = 1,730,535,495,149.26/1,509,690.72
6. Step 6: Final answer
   x = 1,146,284.78