Finding the Fourth Proportional to 37,743.57, 56,628.72 and 21,117.92

Step by Step Solution

1. Step 1: Write the proportion equation
   37,743.57 : 56,628.72 = 21,117.92 : x
2. Step 2: Convert to fraction form
   37,743.57/56,628.72 = 21,117.92/x
3. Step 3: Cross multiply
   37,743.57x = 56,628.72 × 21,117.92
4. Step 4: Simplify right side
   37,743.57x = 1,195,880,495.52
5. Step 5: Solve for x
   x = 1,195,880,495.52/37,743.57
6. Step 6: Final answer
   x = 31,684.35