Finding the Fourth Proportional to 108,788.84, 150,131.20 and 61,045.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,788.84 : 150,131.20 = 61,045.72 : x
2. Step 2: Convert to fraction form
   108,788.84/150,131.20 = 61,045.72/x
3. Step 3: Cross multiply
   108,788.84x = 150,131.20 × 61,045.72
4. Step 4: Simplify right side
   108,788.84x = 9,164,867,198.46
5. Step 5: Solve for x
   x = 9,164,867,198.46/108,788.84
6. Step 6: Final answer
   x = 84,244.55