Finding the Fourth Proportional to 56,458.78, 84,699.15 and 17,013.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,458.78 : 84,699.15 = 17,013.94 : x
2. Step 2: Convert to fraction form
   56,458.78/84,699.15 = 17,013.94/x
3. Step 3: Cross multiply
   56,458.78x = 84,699.15 × 17,013.94
4. Step 4: Simplify right side
   56,458.78x = 1,441,066,256.15
5. Step 5: Solve for x
   x = 1,441,066,256.15/56,458.78
6. Step 6: Final answer
   x = 25,524.22