Finding the Fourth Proportional to 1,215,818.78, 1,823,725.71 and 1,141,832.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,818.78 : 1,823,725.71 = 1,141,832.23 : x
2. Step 2: Convert to fraction form
   1,215,818.78/1,823,725.71 = 1,141,832.23/x
3. Step 3: Cross multiply
   1,215,818.78x = 1,823,725.71 × 1,141,832.23
4. Step 4: Simplify right side
   1,215,818.78x = 2,082,388,789,798.32
5. Step 5: Solve for x
   x = 2,082,388,789,798.32/1,215,818.78
6. Step 6: Final answer
   x = 1,712,746.04