Finding the Fourth Proportional to 143,300.10, 214,950.15 and 110,187.30

Step by Step Solution

1. Step 1: Write the proportion equation
   143,300.10 : 214,950.15 = 110,187.30 : x
2. Step 2: Convert to fraction form
   143,300.10/214,950.15 = 110,187.30/x
3. Step 3: Cross multiply
   143,300.10x = 214,950.15 × 110,187.30
4. Step 4: Simplify right side
   143,300.10x = 23,684,776,663.10
5. Step 5: Solve for x
   x = 23,684,776,663.10/143,300.10
6. Step 6: Final answer
   x = 165,280.95