Finding the Fourth Proportional to 1,695,384.83, 2,339,621.72 and 921,009.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,695,384.83 : 2,339,621.72 = 921,009.47 : x
2. Step 2: Convert to fraction form
   1,695,384.83/2,339,621.72 = 921,009.47/x
3. Step 3: Cross multiply
   1,695,384.83x = 2,339,621.72 × 921,009.47
4. Step 4: Simplify right side
   1,695,384.83x = 2,154,813,765,360.42
5. Step 5: Solve for x
   x = 2,154,813,765,360.42/1,695,384.83
6. Step 6: Final answer
   x = 1,270,988.00