Finding the Fourth Proportional to 1,392,796.17, 2,089,380.24 and 551,151.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,796.17 : 2,089,380.24 = 551,151.09 : x
2. Step 2: Convert to fraction form
   1,392,796.17/2,089,380.24 = 551,151.09/x
3. Step 3: Cross multiply
   1,392,796.17x = 2,089,380.24 × 551,151.09
4. Step 4: Simplify right side
   1,392,796.17x = 1,151,564,196,700.46
5. Step 5: Solve for x
   x = 1,151,564,196,700.46/1,392,796.17
6. Step 6: Final answer
   x = 826,800.23