Finding the Fourth Proportional to 37,910.29, 56,875.51 and 12,950.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,910.29 : 56,875.51 = 12,950.30 : x
2. Step 2: Convert to fraction form
   37,910.29/56,875.51 = 12,950.30/x
3. Step 3: Cross multiply
   37,910.29x = 56,875.51 × 12,950.30
4. Step 4: Simplify right side
   37,910.29x = 736,554,632.78
5. Step 5: Solve for x
   x = 736,554,632.78/37,910.29
6. Step 6: Final answer
   x = 19,428.89