Finding the Fourth Proportional to 1,110.34, 1,664.83 and 524.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,110.34 : 1,664.83 = 524.98 : x
2. Step 2: Convert to fraction form
   1,110.34/1,664.83 = 524.98/x
3. Step 3: Cross multiply
   1,110.34x = 1,664.83 × 524.98
4. Step 4: Simplify right side
   1,110.34x = 874,002.45
5. Step 5: Solve for x
   x = 874,002.45/1,110.34
6. Step 6: Final answer
   x = 787.15