Finding the Fourth Proportional to 1,139,696.41, 1,572,819.89 and 649,738.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,696.41 : 1,572,819.89 = 649,738.38 : x
2. Step 2: Convert to fraction form
   1,139,696.41/1,572,819.89 = 649,738.38/x
3. Step 3: Cross multiply
   1,139,696.41x = 1,572,819.89 × 649,738.38
4. Step 4: Simplify right side
   1,139,696.41x = 1,021,921,447,360.38
5. Step 5: Solve for x
   x = 1,021,921,447,360.38/1,139,696.41
6. Step 6: Final answer
   x = 896,661.11