Finding the Fourth Proportional to 37,591.72, 56,369.58 and 12,624.84

Step by Step Solution

1. Step 1: Write the proportion equation
   37,591.72 : 56,369.58 = 12,624.84 : x
2. Step 2: Convert to fraction form
   37,591.72/56,369.58 = 12,624.84/x
3. Step 3: Cross multiply
   37,591.72x = 56,369.58 × 12,624.84
4. Step 4: Simplify right side
   37,591.72x = 711,656,811.25
5. Step 5: Solve for x
   x = 711,656,811.25/37,591.72
6. Step 6: Final answer
   x = 18,931.21