Finding the Fourth Proportional to 105,066.29, 144,985.57 and 59,755.30

Step by Step Solution

1. Step 1: Write the proportion equation
   105,066.29 : 144,985.57 = 59,755.30 : x
2. Step 2: Convert to fraction form
   105,066.29/144,985.57 = 59,755.30/x
3. Step 3: Cross multiply
   105,066.29x = 144,985.57 × 59,755.30
4. Step 4: Simplify right side
   105,066.29x = 8,663,655,719.17
5. Step 5: Solve for x
   x = 8,663,655,719.17/105,066.29
6. Step 6: Final answer
   x = 82,458.95