Finding the Fourth Proportional to 8,300.88, 12,455.64 and 3,374.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,300.88 : 12,455.64 = 3,374.16 : x
2. Step 2: Convert to fraction form
   8,300.88/12,455.64 = 3,374.16/x
3. Step 3: Cross multiply
   8,300.88x = 12,455.64 × 3,374.16
4. Step 4: Simplify right side
   8,300.88x = 42,027,322.26
5. Step 5: Solve for x
   x = 42,027,322.26/8,300.88
6. Step 6: Final answer
   x = 5,063.00