Finding the Fourth Proportional to 5,888.48, 8,128.56 and 4,210.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,888.48 : 8,128.56 = 4,210.16 : x
2. Step 2: Convert to fraction form
   5,888.48/8,128.56 = 4,210.16/x
3. Step 3: Cross multiply
   5,888.48x = 8,128.56 × 4,210.16
4. Step 4: Simplify right side
   5,888.48x = 34,222,538.17
5. Step 5: Solve for x
   x = 34,222,538.17/5,888.48
6. Step 6: Final answer
   x = 5,811.78