Finding the Fourth Proportional to 37,453.98, 51,686.76 and 20,686.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,453.98 : 51,686.76 = 20,686.98 : x
2. Step 2: Convert to fraction form
   37,453.98/51,686.76 = 20,686.98/x
3. Step 3: Cross multiply
   37,453.98x = 51,686.76 × 20,686.98
4. Step 4: Simplify right side
   37,453.98x = 1,069,242,970.38
5. Step 5: Solve for x
   x = 1,069,242,970.38/37,453.98
6. Step 6: Final answer
   x = 28,548.18