Finding the Fourth Proportional to 105,252.42, 145,199.61 and 60,514.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,252.42 : 145,199.61 = 60,514.50 : x
2. Step 2: Convert to fraction form
   105,252.42/145,199.61 = 60,514.50/x
3. Step 3: Cross multiply
   105,252.42x = 145,199.61 × 60,514.50
4. Step 4: Simplify right side
   105,252.42x = 8,786,681,799.35
5. Step 5: Solve for x
   x = 8,786,681,799.35/105,252.42
6. Step 6: Final answer
   x = 83,481.99