Finding the Fourth Proportional to 105,060.05, 144,989.72 and 59,742.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,060.05 : 144,989.72 = 59,742.24 : x
2. Step 2: Convert to fraction form
   105,060.05/144,989.72 = 59,742.24/x
3. Step 3: Cross multiply
   105,060.05x = 144,989.72 × 59,742.24
4. Step 4: Simplify right side
   105,060.05x = 8,662,010,649.77
5. Step 5: Solve for x
   x = 8,662,010,649.77/105,060.05
6. Step 6: Final answer
   x = 82,448.19