Finding the Fourth Proportional to 37,875.42, 52,268.22 and 21,108.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,875.42 : 52,268.22 = 21,108.42 : x
2. Step 2: Convert to fraction form
   37,875.42/52,268.22 = 21,108.42/x
3. Step 3: Cross multiply
   37,875.42x = 52,268.22 × 21,108.42
4. Step 4: Simplify right side
   37,875.42x = 1,103,299,540.41
5. Step 5: Solve for x
   x = 1,103,299,540.41/37,875.42
6. Step 6: Final answer
   x = 29,129.70