Finding the Fourth Proportional to 12,969.76, 19,455.60 and 3,736.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,969.76 : 19,455.60 = 3,736.48 : x
2. Step 2: Convert to fraction form
   12,969.76/19,455.60 = 3,736.48/x
3. Step 3: Cross multiply
   12,969.76x = 19,455.60 × 3,736.48
4. Step 4: Simplify right side
   12,969.76x = 72,695,460.29
5. Step 5: Solve for x
   x = 72,695,460.29/12,969.76
6. Step 6: Final answer
   x = 5,605.00