Finding the Fourth Proportional to 1,030.01, 1,421.01 and 610.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030.01 : 1,421.01 = 610.22 : x
2. Step 2: Convert to fraction form
   1,030.01/1,421.01 = 610.22/x
3. Step 3: Cross multiply
   1,030.01x = 1,421.01 × 610.22
4. Step 4: Simplify right side
   1,030.01x = 867,128.72
5. Step 5: Solve for x
   x = 867,128.72/1,030.01
6. Step 6: Final answer
   x = 841.86