Finding the Fourth Proportional to 48,056.72, 72,088.72 and 12,995.86

Step by Step Solution

1. Step 1: Write the proportion equation
   48,056.72 : 72,088.72 = 12,995.86 : x
2. Step 2: Convert to fraction form
   48,056.72/72,088.72 = 12,995.86/x
3. Step 3: Cross multiply
   48,056.72x = 72,088.72 × 12,995.86
4. Step 4: Simplify right side
   48,056.72x = 936,854,912.70
5. Step 5: Solve for x
   x = 936,854,912.70/48,056.72
6. Step 6: Final answer
   x = 19,494.77