Finding the Fourth Proportional to 56,642.00, 84,957.50 and 17,199.45

Step by Step Solution

1. Step 1: Write the proportion equation
   56,642.00 : 84,957.50 = 17,199.45 : x
2. Step 2: Convert to fraction form
   56,642.00/84,957.50 = 17,199.45/x
3. Step 3: Cross multiply
   56,642.00x = 84,957.50 × 17,199.45
4. Step 4: Simplify right side
   56,642.00x = 1,461,222,187.38
5. Step 5: Solve for x
   x = 1,461,222,187.38/56,642.00
6. Step 6: Final answer
   x = 25,797.51