Finding the Fourth Proportional to 105,026.36, 144,948.83 and 59,711.18

Step by Step Solution

1. Step 1: Write the proportion equation
   105,026.36 : 144,948.83 = 59,711.18 : x
2. Step 2: Convert to fraction form
   105,026.36/144,948.83 = 59,711.18/x
3. Step 3: Cross multiply
   105,026.36x = 144,948.83 × 59,711.18
4. Step 4: Simplify right side
   105,026.36x = 8,655,064,655.62
5. Step 5: Solve for x
   x = 8,655,064,655.62/105,026.36
6. Step 6: Final answer
   x = 82,408.50