Finding the Fourth Proportional to 108,978.48, 163,463.28 and 37,917.38

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978.48 : 163,463.28 = 37,917.38 : x
2. Step 2: Convert to fraction form
   108,978.48/163,463.28 = 37,917.38/x
3. Step 3: Cross multiply
   108,978.48x = 163,463.28 × 37,917.38
4. Step 4: Simplify right side
   108,978.48x = 6,198,099,303.81
5. Step 5: Solve for x
   x = 6,198,099,303.81/108,978.48
6. Step 6: Final answer
   x = 56,874.53