Finding the Fourth Proportional to 72,601.89, 108,281.82 and 63,775.05

Step by Step Solution

1. Step 1: Write the proportion equation
   72,601.89 : 108,281.82 = 63,775.05 : x
2. Step 2: Convert to fraction form
   72,601.89/108,281.82 = 63,775.05/x
3. Step 3: Cross multiply
   72,601.89x = 108,281.82 × 63,775.05
4. Step 4: Simplify right side
   72,601.89x = 6,905,678,484.59
5. Step 5: Solve for x
   x = 6,905,678,484.59/72,601.89
6. Step 6: Final answer
   x = 95,117.06