Finding the Fourth Proportional to 143,983.27, 216,031.05 and 59,722.11

Step by Step Solution

1. Step 1: Write the proportion equation
   143,983.27 : 216,031.05 = 59,722.11 : x
2. Step 2: Convert to fraction form
   143,983.27/216,031.05 = 59,722.11/x
3. Step 3: Cross multiply
   143,983.27x = 216,031.05 × 59,722.11
4. Step 4: Simplify right side
   143,983.27x = 12,901,830,131.52
5. Step 5: Solve for x
   x = 12,901,830,131.52/143,983.27
6. Step 6: Final answer
   x = 89,606.45