Finding the Fourth Proportional to 1,563,696.72, 2,158,105 and 875,630.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,563,696.72 : 2,158,105 = 875,630.60 : x
2. Step 2: Convert to fraction form
   1,563,696.72/2,158,105 = 875,630.60/x
3. Step 3: Cross multiply
   1,563,696.72x = 2,158,105 × 875,630.60
4. Step 4: Simplify right side
   1,563,696.72x = 1,889,702,776,013
5. Step 5: Solve for x
   x = 1,889,702,776,013/1,563,696.72
6. Step 6: Final answer
   x = 1,208,484.20