Finding the Fourth Proportional to 109,190.59, 150,682.94 and 61,443.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,190.59 : 150,682.94 = 61,443.98 : x
2. Step 2: Convert to fraction form
   109,190.59/150,682.94 = 61,443.98/x
3. Step 3: Cross multiply
   109,190.59x = 150,682.94 × 61,443.98
4. Step 4: Simplify right side
   109,190.59x = 9,258,559,632.16
5. Step 5: Solve for x
   x = 9,258,559,632.16/109,190.59
6. Step 6: Final answer
   x = 84,792.65