Finding the Fourth Proportional to 1,528,282.89, 2,109,077.91 and 839,942.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,528,282.89 : 2,109,077.91 = 839,942.37 : x
2. Step 2: Convert to fraction form
   1,528,282.89/2,109,077.91 = 839,942.37/x
3. Step 3: Cross multiply
   1,528,282.89x = 2,109,077.91 × 839,942.37
4. Step 4: Simplify right side
   1,528,282.89x = 1,771,503,898,240.05
5. Step 5: Solve for x
   x = 1,771,503,898,240.05/1,528,282.89
6. Step 6: Final answer
   x = 1,159,146.59