Finding the Fourth Proportional to 144,070.71, 215,958.29 and 55,300.29

Step by Step Solution

1. Step 1: Write the proportion equation
   144,070.71 : 215,958.29 = 55,300.29 : x
2. Step 2: Convert to fraction form
   144,070.71/215,958.29 = 55,300.29/x
3. Step 3: Cross multiply
   144,070.71x = 215,958.29 × 55,300.29
4. Step 4: Simplify right side
   144,070.71x = 11,942,555,788.40
5. Step 5: Solve for x
   x = 11,942,555,788.40/144,070.71
6. Step 6: Final answer
   x = 82,893.71