Finding the Fourth Proportional to 37,926.08, 52,334.88 and 21,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,926.08 : 52,334.88 = 21,158.72 : x
2. Step 2: Convert to fraction form
   37,926.08/52,334.88 = 21,158.72/x
3. Step 3: Cross multiply
   37,926.08x = 52,334.88 × 21,158.72
4. Step 4: Simplify right side
   37,926.08x = 1,107,339,072.15
5. Step 5: Solve for x
   x = 1,107,339,072.15/37,926.08
6. Step 6: Final answer
   x = 29,197.30