Finding the Fourth Proportional to 143,830.72, 215,777.22 and 55,084.24

Step by Step Solution

1. Step 1: Write the proportion equation
   143,830.72 : 215,777.22 = 55,084.24 : x
2. Step 2: Convert to fraction form
   143,830.72/215,777.22 = 55,084.24/x
3. Step 3: Cross multiply
   143,830.72x = 215,777.22 × 55,084.24
4. Step 4: Simplify right side
   143,830.72x = 11,885,924,173.01
5. Step 5: Solve for x
   x = 11,885,924,173.01/143,830.72
6. Step 6: Final answer
   x = 82,638.29