Finding the Fourth Proportional to 143,892.90, 215,936.55 and 93,851.10

Step by Step Solution

1. Step 1: Write the proportion equation
   143,892.90 : 215,936.55 = 93,851.10 : x
2. Step 2: Convert to fraction form
   143,892.90/215,936.55 = 93,851.10/x
3. Step 3: Cross multiply
   143,892.90x = 215,936.55 × 93,851.10
4. Step 4: Simplify right side
   143,892.90x = 20,265,882,747.71
5. Step 5: Solve for x
   x = 20,265,882,747.71/143,892.90
6. Step 6: Final answer
   x = 140,840.05