Finding the Fourth Proportional to 1,063.50, 1,592.82 and 899.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,063.50 : 1,592.82 = 899.88 : x
2. Step 2: Convert to fraction form
   1,063.50/1,592.82 = 899.88/x
3. Step 3: Cross multiply
   1,063.50x = 1,592.82 × 899.88
4. Step 4: Simplify right side
   1,063.50x = 1,433,346.86
5. Step 5: Solve for x
   x = 1,433,346.86/1,063.50
6. Step 6: Final answer
   x = 1,347.76