Finding the Fourth Proportional to 110,978.48, 166,389.96 and 40,848.72

Step by Step Solution

1. Step 1: Write the proportion equation
   110,978.48 : 166,389.96 = 40,848.72 : x
2. Step 2: Convert to fraction form
   110,978.48/166,389.96 = 40,848.72/x
3. Step 3: Cross multiply
   110,978.48x = 166,389.96 × 40,848.72
4. Step 4: Simplify right side
   110,978.48x = 6,796,816,886.85
5. Step 5: Solve for x
   x = 6,796,816,886.85/110,978.48
6. Step 6: Final answer
   x = 61,244.46