Finding the Fourth Proportional to 108,955.98, 150,342.89 and 61,200.18

Step by Step Solution

1. Step 1: Write the proportion equation
   108,955.98 : 150,342.89 = 61,200.18 : x
2. Step 2: Convert to fraction form
   108,955.98/150,342.89 = 61,200.18/x
3. Step 3: Cross multiply
   108,955.98x = 150,342.89 × 61,200.18
4. Step 4: Simplify right side
   108,955.98x = 9,201,011,623.72
5. Step 5: Solve for x
   x = 9,201,011,623.72/108,955.98
6. Step 6: Final answer
   x = 84,447.05