Finding the Fourth Proportional to 143,987.06, 215,812.38 and 108,333.82

Step by Step Solution

1. Step 1: Write the proportion equation
   143,987.06 : 215,812.38 = 108,333.82 : x
2. Step 2: Convert to fraction form
   143,987.06/215,812.38 = 108,333.82/x
3. Step 3: Cross multiply
   143,987.06x = 215,812.38 × 108,333.82
4. Step 4: Simplify right side
   143,987.06x = 23,379,779,528.69
5. Step 5: Solve for x
   x = 23,379,779,528.69/143,987.06
6. Step 6: Final answer
   x = 162,374.17