Finding the Fourth Proportional to 32,643.58, 48,969.72 and 12,917.52

Step by Step Solution

1. Step 1: Write the proportion equation
   32,643.58 : 48,969.72 = 12,917.52 : x
2. Step 2: Convert to fraction form
   32,643.58/48,969.72 = 12,917.52/x
3. Step 3: Cross multiply
   32,643.58x = 48,969.72 × 12,917.52
4. Step 4: Simplify right side
   32,643.58x = 632,567,276.28
5. Step 5: Solve for x
   x = 632,567,276.28/32,643.58
6. Step 6: Final answer
   x = 19,378.00