Finding the Fourth Proportional to 111,168.13, 166,632.72 and 48,018.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,168.13 : 166,632.72 = 48,018.10 : x
2. Step 2: Convert to fraction form
   111,168.13/166,632.72 = 48,018.10/x
3. Step 3: Cross multiply
   111,168.13x = 166,632.72 × 48,018.10
4. Step 4: Simplify right side
   111,168.13x = 8,001,386,612.23
5. Step 5: Solve for x
   x = 8,001,386,612.23/111,168.13
6. Step 6: Final answer
   x = 71,975.54