Finding the Fourth Proportional to 37,921.48, 56,875.74 and 10,213

Step by Step Solution

1. Step 1: Write the proportion equation
   37,921.48 : 56,875.74 = 10,213 : x
2. Step 2: Convert to fraction form
   37,921.48/56,875.74 = 10,213/x
3. Step 3: Cross multiply
   37,921.48x = 56,875.74 × 10,213
4. Step 4: Simplify right side
   37,921.48x = 580,871,932.62
5. Step 5: Solve for x
   x = 580,871,932.62/37,921.48
6. Step 6: Final answer
   x = 15,317.75