Finding the Fourth Proportional to 111,690.50, 167,468.31 and 45,053.01

Step by Step Solution

1. Step 1: Write the proportion equation
   111,690.50 : 167,468.31 = 45,053.01 : x
2. Step 2: Convert to fraction form
   111,690.50/167,468.31 = 45,053.01/x
3. Step 3: Cross multiply
   111,690.50x = 167,468.31 × 45,053.01
4. Step 4: Simplify right side
   111,690.50x = 7,544,951,445.11
5. Step 5: Solve for x
   x = 7,544,951,445.11/111,690.50
6. Step 6: Final answer
   x = 67,552.31