Finding the Fourth Proportional to 181,870.32, 272,508.84 and 111,601.20

Step by Step Solution

1. Step 1: Write the proportion equation
   181,870.32 : 272,508.84 = 111,601.20 : x
2. Step 2: Convert to fraction form
   181,870.32/272,508.84 = 111,601.20/x
3. Step 3: Cross multiply
   181,870.32x = 272,508.84 × 111,601.20
4. Step 4: Simplify right side
   181,870.32x = 30,412,313,554.61
5. Step 5: Solve for x
   x = 30,412,313,554.61/181,870.32
6. Step 6: Final answer
   x = 167,219.77