Finding the Fourth Proportional to 21,467.42, 29,467.02 and 19,056.86

Step by Step Solution

1. Step 1: Write the proportion equation
   21,467.42 : 29,467.02 = 19,056.86 : x
2. Step 2: Convert to fraction form
   21,467.42/29,467.02 = 19,056.86/x
3. Step 3: Cross multiply
   21,467.42x = 29,467.02 × 19,056.86
4. Step 4: Simplify right side
   21,467.42x = 561,548,874.76
5. Step 5: Solve for x
   x = 561,548,874.76/21,467.42
6. Step 6: Final answer
   x = 26,158.19