Finding the Fourth Proportional to 37,768.50, 52,120.71 and 21,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,768.50 : 52,120.71 = 21,001.50 : x
2. Step 2: Convert to fraction form
   37,768.50/52,120.71 = 21,001.50/x
3. Step 3: Cross multiply
   37,768.50x = 52,120.71 × 21,001.50
4. Step 4: Simplify right side
   37,768.50x = 1,094,613,091.07
5. Step 5: Solve for x
   x = 1,094,613,091.07/37,768.50
6. Step 6: Final answer
   x = 28,982.17