Finding the Fourth Proportional to 1,685,498.52, 2,325,972.06 and 921,543.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,498.52 : 2,325,972.06 = 921,543.96 : x
2. Step 2: Convert to fraction form
   1,685,498.52/2,325,972.06 = 921,543.96/x
3. Step 3: Cross multiply
   1,685,498.52x = 2,325,972.06 × 921,543.96
4. Step 4: Simplify right side
   1,685,498.52x = 2,143,485,503,021.76
5. Step 5: Solve for x
   x = 2,143,485,503,021.76/1,685,498.52
6. Step 6: Final answer
   x = 1,271,721.97