Finding the Fourth Proportional to 143,787.93, 215,682.05 and 143,580.27

Step by Step Solution

1. Step 1: Write the proportion equation
   143,787.93 : 215,682.05 = 143,580.27 : x
2. Step 2: Convert to fraction form
   143,787.93/215,682.05 = 143,580.27/x
3. Step 3: Cross multiply
   143,787.93x = 215,682.05 × 143,580.27
4. Step 4: Simplify right side
   143,787.93x = 30,967,686,973.15
5. Step 5: Solve for x
   x = 30,967,686,973.15/143,787.93
6. Step 6: Final answer
   x = 215,370.56