Finding the Fourth Proportional to 1,071.01, 1,477.85 and 598.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.01 : 1,477.85 = 598.89 : x
2. Step 2: Convert to fraction form
   1,071.01/1,477.85 = 598.89/x
3. Step 3: Cross multiply
   1,071.01x = 1,477.85 × 598.89
4. Step 4: Simplify right side
   1,071.01x = 885,064.72
5. Step 5: Solve for x
   x = 885,064.72/1,071.01
6. Step 6: Final answer
   x = 826.38