Finding the Fourth Proportional to 23,377.68, 35,073 and 12,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,377.68 : 35,073 = 12,996.72 : x
2. Step 2: Convert to fraction form
   23,377.68/35,073 = 12,996.72/x
3. Step 3: Cross multiply
   23,377.68x = 35,073 × 12,996.72
4. Step 4: Simplify right side
   23,377.68x = 455,833,960.56
5. Step 5: Solve for x
   x = 455,833,960.56/23,377.68
6. Step 6: Final answer
   x = 19,498.68