Finding the Fourth Proportional to 107,392.56, 160,365.54 and 87,710.16

Step by Step Solution

1. Step 1: Write the proportion equation
   107,392.56 : 160,365.54 = 87,710.16 : x
2. Step 2: Convert to fraction form
   107,392.56/160,365.54 = 87,710.16/x
3. Step 3: Cross multiply
   107,392.56x = 160,365.54 × 87,710.16
4. Step 4: Simplify right side
   107,392.56x = 14,065,687,171.89
5. Step 5: Solve for x
   x = 14,065,687,171.89/107,392.56
6. Step 6: Final answer
   x = 130,974.50