Finding the Fourth Proportional to 2,148,522.34, 3,222,784.26 and 551,085.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148,522.34 : 3,222,784.26 = 551,085.28 : x
2. Step 2: Convert to fraction form
   2,148,522.34/3,222,784.26 = 551,085.28/x
3. Step 3: Cross multiply
   2,148,522.34x = 3,222,784.26 × 551,085.28
4. Step 4: Simplify right side
   2,148,522.34x = 1,776,028,966,301.69
5. Step 5: Solve for x
   x = 1,776,028,966,301.69/2,148,522.34
6. Step 6: Final answer
   x = 826,628.11