Finding the Fourth Proportional to 37,513.60, 51,768.96 and 20,746.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,513.60 : 51,768.96 = 20,746.72 : x
2. Step 2: Convert to fraction form
   37,513.60/51,768.96 = 20,746.72/x
3. Step 3: Cross multiply
   37,513.60x = 51,768.96 × 20,746.72
4. Step 4: Simplify right side
   37,513.60x = 1,074,036,117.81
5. Step 5: Solve for x
   x = 1,074,036,117.81/37,513.60
6. Step 6: Final answer
   x = 28,630.58