Finding the Fourth Proportional to 32,709.18, 49,071.94 and 12,981.20

Step by Step Solution

1. Step 1: Write the proportion equation
   32,709.18 : 49,071.94 = 12,981.20 : x
2. Step 2: Convert to fraction form
   32,709.18/49,071.94 = 12,981.20/x
3. Step 3: Cross multiply
   32,709.18x = 49,071.94 × 12,981.20
4. Step 4: Simplify right side
   32,709.18x = 637,012,667.53
5. Step 5: Solve for x
   x = 637,012,667.53/32,709.18
6. Step 6: Final answer
   x = 19,475.04