Finding the Fourth Proportional to 103,820.72, 143,279.01 and 60,222.11

Step by Step Solution

1. Step 1: Write the proportion equation
   103,820.72 : 143,279.01 = 60,222.11 : x
2. Step 2: Convert to fraction form
   103,820.72/143,279.01 = 60,222.11/x
3. Step 3: Cross multiply
   103,820.72x = 143,279.01 × 60,222.11
4. Step 4: Simplify right side
   103,820.72x = 8,628,563,584.52
5. Step 5: Solve for x
   x = 8,628,563,584.52/103,820.72
6. Step 6: Final answer
   x = 83,110.23