Finding the Fourth Proportional to 1,563,706.78, 2,157,898.83 and 875,384.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563,706.78 : 2,157,898.83 = 875,384.29 : x
2. Step 2: Convert to fraction form
   1,563,706.78/2,157,898.83 = 875,384.29/x
3. Step 3: Cross multiply
   1,563,706.78x = 2,157,898.83 × 875,384.29
4. Step 4: Simplify right side
   1,563,706.78x = 1,888,990,735,191.38
5. Step 5: Solve for x
   x = 1,888,990,735,191.38/1,563,706.78
6. Step 6: Final answer
   x = 1,208,021.07