Finding the Fourth Proportional to 37,915.82, 56,880.42 and 12,950.01

Step by Step Solution

1. Step 1: Write the proportion equation
   37,915.82 : 56,880.42 = 12,950.01 : x
2. Step 2: Convert to fraction form
   37,915.82/56,880.42 = 12,950.01/x
3. Step 3: Cross multiply
   37,915.82x = 56,880.42 × 12,950.01
4. Step 4: Simplify right side
   37,915.82x = 736,602,007.80
5. Step 5: Solve for x
   x = 736,602,007.80/37,915.82
6. Step 6: Final answer
   x = 19,427.30