Finding the Fourth Proportional to 108,775.53, 163,007.78 and 61,931.61

Step by Step Solution

1. Step 1: Write the proportion equation
   108,775.53 : 163,007.78 = 61,931.61 : x
2. Step 2: Convert to fraction form
   108,775.53/163,007.78 = 61,931.61/x
3. Step 3: Cross multiply
   108,775.53x = 163,007.78 × 61,931.61
4. Step 4: Simplify right side
   108,775.53x = 10,095,333,948.27
5. Step 5: Solve for x
   x = 10,095,333,948.27/108,775.53
6. Step 6: Final answer
   x = 92,808.87