Finding the Fourth Proportional to 37,112.45, 51,213.98 and 20,980.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,112.45 : 51,213.98 = 20,980.37 : x
2. Step 2: Convert to fraction form
   37,112.45/51,213.98 = 20,980.37/x
3. Step 3: Cross multiply
   37,112.45x = 51,213.98 × 20,980.37
4. Step 4: Simplify right side
   37,112.45x = 1,074,488,430.06
5. Step 5: Solve for x
   x = 1,074,488,430.06/37,112.45
6. Step 6: Final answer
   x = 28,952.24