Finding the Fourth Proportional to 56,481.02, 84,662.42 and 19,028.15

Step by Step Solution

1. Step 1: Write the proportion equation
   56,481.02 : 84,662.42 = 19,028.15 : x
2. Step 2: Convert to fraction form
   56,481.02/84,662.42 = 19,028.15/x
3. Step 3: Cross multiply
   56,481.02x = 84,662.42 × 19,028.15
4. Step 4: Simplify right side
   56,481.02x = 1,610,969,026.15
5. Step 5: Solve for x
   x = 1,610,969,026.15/56,481.02
6. Step 6: Final answer
   x = 28,522.31