Finding the Fourth Proportional to 37,956.01, 56,895.91 and 12,978.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,956.01 : 56,895.91 = 12,978.98 : x
2. Step 2: Convert to fraction form
   37,956.01/56,895.91 = 12,978.98/x
3. Step 3: Cross multiply
   37,956.01x = 56,895.91 × 12,978.98
4. Step 4: Simplify right side
   37,956.01x = 738,450,877.97
5. Step 5: Solve for x
   x = 738,450,877.97/37,956.01
6. Step 6: Final answer
   x = 19,455.44