Finding the Fourth Proportional to 933.30, 1,397.52 and 824.76

Step by Step Solution

1. Step 1: Write the proportion equation
   933.30 : 1,397.52 = 824.76 : x
2. Step 2: Convert to fraction form
   933.30/1,397.52 = 824.76/x
3. Step 3: Cross multiply
   933.30x = 1,397.52 × 824.76
4. Step 4: Simplify right side
   933.30x = 1,152,618.60
5. Step 5: Solve for x
   x = 1,152,618.60/933.30
6. Step 6: Final answer
   x = 1,234.99