Finding the Fourth Proportional to 111,878.86, 167,818.74 and 45,320.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,878.86 : 167,818.74 = 45,320.24 : x
2. Step 2: Convert to fraction form
   111,878.86/167,818.74 = 45,320.24/x
3. Step 3: Cross multiply
   111,878.86x = 167,818.74 × 45,320.24
4. Step 4: Simplify right side
   111,878.86x = 7,605,585,573.30
5. Step 5: Solve for x
   x = 7,605,585,573.30/111,878.86
6. Step 6: Final answer
   x = 67,980.54