Finding the Fourth Proportional to 107,308.77, 160,966.20 and 28,423.00

Step by Step Solution

1. Step 1: Write the proportion equation
   107,308.77 : 160,966.20 = 28,423.00 : x
2. Step 2: Convert to fraction form
   107,308.77/160,966.20 = 28,423.00/x
3. Step 3: Cross multiply
   107,308.77x = 160,966.20 × 28,423.00
4. Step 4: Simplify right side
   107,308.77x = 4,575,142,610.39
5. Step 5: Solve for x
   x = 4,575,142,610.39/107,308.77
6. Step 6: Final answer
   x = 42,635.31