Finding the Fourth Proportional to 72,688.79, 100,295.82 and 42,468.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,688.79 : 100,295.82 = 42,468.27 : x
2. Step 2: Convert to fraction form
   72,688.79/100,295.82 = 42,468.27/x
3. Step 3: Cross multiply
   72,688.79x = 100,295.82 × 42,468.27
4. Step 4: Simplify right side
   72,688.79x = 4,259,390,151.69
5. Step 5: Solve for x
   x = 4,259,390,151.69/72,688.79
6. Step 6: Final answer
   x = 58,597.62