Finding the Fourth Proportional to 104,020.84, 143,552.42 and 58,696.18

Step by Step Solution

1. Step 1: Write the proportion equation
   104,020.84 : 143,552.42 = 58,696.18 : x
2. Step 2: Convert to fraction form
   104,020.84/143,552.42 = 58,696.18/x
3. Step 3: Cross multiply
   104,020.84x = 143,552.42 × 58,696.18
4. Step 4: Simplify right side
   104,020.84x = 8,425,978,251.50
5. Step 5: Solve for x
   x = 8,425,978,251.50/104,020.84
6. Step 6: Final answer
   x = 81,002.79