Finding the Fourth Proportional to 111,131.11, 153,355.04 and 60,820.39

Step by Step Solution

1. Step 1: Write the proportion equation
   111,131.11 : 153,355.04 = 60,820.39 : x
2. Step 2: Convert to fraction form
   111,131.11/153,355.04 = 60,820.39/x
3. Step 3: Cross multiply
   111,131.11x = 153,355.04 × 60,820.39
4. Step 4: Simplify right side
   111,131.11x = 9,327,112,574.49
5. Step 5: Solve for x
   x = 9,327,112,574.49/111,131.11
6. Step 6: Final answer
   x = 83,928.91