Finding the Fourth Proportional to 107,485.01, 161,227.31 and 28,599.25

Step by Step Solution

1. Step 1: Write the proportion equation
   107,485.01 : 161,227.31 = 28,599.25 : x
2. Step 2: Convert to fraction form
   107,485.01/161,227.31 = 28,599.25/x
3. Step 3: Cross multiply
   107,485.01x = 161,227.31 × 28,599.25
4. Step 4: Simplify right side
   107,485.01x = 4,610,979,196.38
5. Step 5: Solve for x
   x = 4,610,979,196.38/107,485.01
6. Step 6: Final answer
   x = 42,898.81