Finding the Fourth Proportional to 105,060.12, 157,500.60 and 45,851.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,060.12 : 157,500.60 = 45,851.52 : x
2. Step 2: Convert to fraction form
   105,060.12/157,500.60 = 45,851.52/x
3. Step 3: Cross multiply
   105,060.12x = 157,500.60 × 45,851.52
4. Step 4: Simplify right side
   105,060.12x = 7,221,641,910.91
5. Step 5: Solve for x
   x = 7,221,641,910.91/105,060.12
6. Step 6: Final answer
   x = 68,738.18