Finding the Fourth Proportional to 1,016.02, 1,521.60 and 527.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.02 : 1,521.60 = 527.59 : x
2. Step 2: Convert to fraction form
   1,016.02/1,521.60 = 527.59/x
3. Step 3: Cross multiply
   1,016.02x = 1,521.60 × 527.59
4. Step 4: Simplify right side
   1,016.02x = 802,780.94
5. Step 5: Solve for x
   x = 802,780.94/1,016.02
6. Step 6: Final answer
   x = 790.12