Finding the Fourth Proportional to 5,899.40, 8,136.96 and 5,633.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,899.40 : 8,136.96 = 5,633.72 : x
2. Step 2: Convert to fraction form
   5,899.40/8,136.96 = 5,633.72/x
3. Step 3: Cross multiply
   5,899.40x = 8,136.96 × 5,633.72
4. Step 4: Simplify right side
   5,899.40x = 45,841,354.29
5. Step 5: Solve for x
   x = 45,841,354.29/5,899.40
6. Step 6: Final answer
   x = 7,770.51