Finding the Fourth Proportional to 52,671.71, 79,005.12 and 19,389.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,671.71 : 79,005.12 = 19,389.42 : x
2. Step 2: Convert to fraction form
   52,671.71/79,005.12 = 19,389.42/x
3. Step 3: Cross multiply
   52,671.71x = 79,005.12 × 19,389.42
4. Step 4: Simplify right side
   52,671.71x = 1,531,863,453.83
5. Step 5: Solve for x
   x = 1,531,863,453.83/52,671.71
6. Step 6: Final answer
   x = 29,083.23