Finding the Fourth Proportional to 1,164,915.52, 1,746,746.88 and 685,309.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164,915.52 : 1,746,746.88 = 685,309.12 : x
2. Step 2: Convert to fraction form
   1,164,915.52/1,746,746.88 = 685,309.12/x
3. Step 3: Cross multiply
   1,164,915.52x = 1,746,746.88 × 685,309.12
4. Step 4: Simplify right side
   1,164,915.52x = 1,197,061,567,195.55
5. Step 5: Solve for x
   x = 1,197,061,567,195.55/1,164,915.52
6. Step 6: Final answer
   x = 1,027,595.17