Finding the Fourth Proportional to 926.02, 1,272.67 and 900.10

Step by Step Solution

1. Step 1: Write the proportion equation
   926.02 : 1,272.67 = 900.10 : x
2. Step 2: Convert to fraction form
   926.02/1,272.67 = 900.10/x
3. Step 3: Cross multiply
   926.02x = 1,272.67 × 900.10
4. Step 4: Simplify right side
   926.02x = 1,145,530.27
5. Step 5: Solve for x
   x = 1,145,530.27/926.02
6. Step 6: Final answer
   x = 1,237.05