Finding the Fourth Proportional to 1,581,822.45, 2,182,904.01 and 856,653.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,822.45 : 2,182,904.01 = 856,653.57 : x
2. Step 2: Convert to fraction form
   1,581,822.45/2,182,904.01 = 856,653.57/x
3. Step 3: Cross multiply
   1,581,822.45x = 2,182,904.01 × 856,653.57
4. Step 4: Simplify right side
   1,581,822.45x = 1,869,992,513,133.82
5. Step 5: Solve for x
   x = 1,869,992,513,133.82/1,581,822.45
6. Step 6: Final answer
   x = 1,182,175.99