Finding the Fourth Proportional to 37,933.89, 56,899.21 and 12,976.17

Step by Step Solution

1. Step 1: Write the proportion equation
   37,933.89 : 56,899.21 = 12,976.17 : x
2. Step 2: Convert to fraction form
   37,933.89/56,899.21 = 12,976.17/x
3. Step 3: Cross multiply
   37,933.89x = 56,899.21 × 12,976.17
4. Step 4: Simplify right side
   37,933.89x = 738,333,821.83
5. Step 5: Solve for x
   x = 738,333,821.83/37,933.89
6. Step 6: Final answer
   x = 19,463.70