Finding the Fourth Proportional to 1,116,828.78, 1,541,222.55 and 607,529.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,116,828.78 : 1,541,222.55 = 607,529.94 : x
2. Step 2: Convert to fraction form
   1,116,828.78/1,541,222.55 = 607,529.94/x
3. Step 3: Cross multiply
   1,116,828.78x = 1,541,222.55 × 607,529.94
4. Step 4: Simplify right side
   1,116,828.78x = 936,338,843,328.15
5. Step 5: Solve for x
   x = 936,338,843,328.15/1,116,828.78
6. Step 6: Final answer
   x = 838,390.68