Finding the Fourth Proportional to 109,190.56, 150,682.90 and 61,443.95

Step by Step Solution

1. Step 1: Write the proportion equation
   109,190.56 : 150,682.90 = 61,443.95 : x
2. Step 2: Convert to fraction form
   109,190.56/150,682.90 = 61,443.95/x
3. Step 3: Cross multiply
   109,190.56x = 150,682.90 × 61,443.95
4. Step 4: Simplify right side
   109,190.56x = 9,258,552,196.75
5. Step 5: Solve for x
   x = 9,258,552,196.75/109,190.56
6. Step 6: Final answer
   x = 84,792.61