Finding the Fourth Proportional to 2,148,402.16, 3,222,690.72 and 886,109.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,402.16 : 3,222,690.72 = 886,109.50 : x
2. Step 2: Convert to fraction form
   2,148,402.16/3,222,690.72 = 886,109.50/x
3. Step 3: Cross multiply
   2,148,402.16x = 3,222,690.72 × 886,109.50
4. Step 4: Simplify right side
   2,148,402.16x = 2,855,656,862,553.84
5. Step 5: Solve for x
   x = 2,855,656,862,553.84/2,148,402.16
6. Step 6: Final answer
   x = 1,329,200.33