Finding the Fourth Proportional to 118,906.56, 178,369.56 and 59,711.76

Step by Step Solution

1. Step 1: Write the proportion equation
   118,906.56 : 178,369.56 = 59,711.76 : x
2. Step 2: Convert to fraction form
   118,906.56/178,369.56 = 59,711.76/x
3. Step 3: Cross multiply
   118,906.56x = 178,369.56 × 59,711.76
4. Step 4: Simplify right side
   118,906.56x = 10,650,760,358.03
5. Step 5: Solve for x
   x = 10,650,760,358.03/118,906.56
6. Step 6: Final answer
   x = 89,572.52