Finding the Fourth Proportional to 1,022,040.52, 1,408,903.68 and 654,478.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022,040.52 : 1,408,903.68 = 654,478.72 : x
2. Step 2: Convert to fraction form
   1,022,040.52/1,408,903.68 = 654,478.72/x
3. Step 3: Cross multiply
   1,022,040.52x = 1,408,903.68 × 654,478.72
4. Step 4: Simplify right side
   1,022,040.52x = 922,097,477,089.69
5. Step 5: Solve for x
   x = 922,097,477,089.69/1,022,040.52
6. Step 6: Final answer
   x = 902,212.25