Finding the Fourth Proportional to 37,931.48, 56,890.74 and 10,223

Step by Step Solution

1. Step 1: Write the proportion equation
   37,931.48 : 56,890.74 = 10,223 : x
2. Step 2: Convert to fraction form
   37,931.48/56,890.74 = 10,223/x
3. Step 3: Cross multiply
   37,931.48x = 56,890.74 × 10,223
4. Step 4: Simplify right side
   37,931.48x = 581,594,035.02
5. Step 5: Solve for x
   x = 581,594,035.02/37,931.48
6. Step 6: Final answer
   x = 15,332.75