Finding the Fourth Proportional to 123,619.08, 185,483.88 and 57,023.58

Step by Step Solution

1. Step 1: Write the proportion equation
   123,619.08 : 185,483.88 = 57,023.58 : x
2. Step 2: Convert to fraction form
   123,619.08/185,483.88 = 57,023.58/x
3. Step 3: Cross multiply
   123,619.08x = 185,483.88 × 57,023.58
4. Step 4: Simplify right side
   123,619.08x = 10,576,954,869.89
5. Step 5: Solve for x
   x = 10,576,954,869.89/123,619.08
6. Step 6: Final answer
   x = 85,560.86