Finding the Fourth Proportional to 1,070.89, 1,477.85 and 598.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,070.89 : 1,477.85 = 598.79 : x
2. Step 2: Convert to fraction form
   1,070.89/1,477.85 = 598.79/x
3. Step 3: Cross multiply
   1,070.89x = 1,477.85 × 598.79
4. Step 4: Simplify right side
   1,070.89x = 884,922.50
5. Step 5: Solve for x
   x = 884,922.50/1,070.89
6. Step 6: Final answer
   x = 826.34