Finding the Fourth Proportional to 107,069.58, 160,591.61 and 28,189.96

Step by Step Solution

1. Step 1: Write the proportion equation
   107,069.58 : 160,591.61 = 28,189.96 : x
2. Step 2: Convert to fraction form
   107,069.58/160,591.61 = 28,189.96/x
3. Step 3: Cross multiply
   107,069.58x = 160,591.61 × 28,189.96
4. Step 4: Simplify right side
   107,069.58x = 4,527,070,731.23
5. Step 5: Solve for x
   x = 4,527,070,731.23/107,069.58
6. Step 6: Final answer
   x = 42,281.58