Finding the Fourth Proportional to 37,663.45, 51,975.42 and 20,667.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,663.45 : 51,975.42 = 20,667.98 : x
2. Step 2: Convert to fraction form
   37,663.45/51,975.42 = 20,667.98/x
3. Step 3: Cross multiply
   37,663.45x = 51,975.42 × 20,667.98
4. Step 4: Simplify right side
   37,663.45x = 1,074,226,876.08
5. Step 5: Solve for x
   x = 1,074,226,876.08/37,663.45
6. Step 6: Final answer
   x = 28,521.73