Finding the Fourth Proportional to 1,685,300.02, 2,325,722.25 and 921,353.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,300.02 : 2,325,722.25 = 921,353.62 : x
2. Step 2: Convert to fraction form
   1,685,300.02/2,325,722.25 = 921,353.62/x
3. Step 3: Cross multiply
   1,685,300.02x = 2,325,722.25 × 921,353.62
4. Step 4: Simplify right side
   1,685,300.02x = 2,142,812,614,152.05
5. Step 5: Solve for x
   x = 2,142,812,614,152.05/1,685,300.02
6. Step 6: Final answer
   x = 1,271,472.49