Finding the Fourth Proportional to 1,225.98, 1,837.56 and 610.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225.98 : 1,837.56 = 610.10 : x
2. Step 2: Convert to fraction form
   1,225.98/1,837.56 = 610.10/x
3. Step 3: Cross multiply
   1,225.98x = 1,837.56 × 610.10
4. Step 4: Simplify right side
   1,225.98x = 1,121,095.36
5. Step 5: Solve for x
   x = 1,121,095.36/1,225.98
6. Step 6: Final answer
   x = 914.45