Finding the Fourth Proportional to 113,962.86, 170,994.41 and 60,642.27

Step by Step Solution

1. Step 1: Write the proportion equation
   113,962.86 : 170,994.41 = 60,642.27 : x
2. Step 2: Convert to fraction form
   113,962.86/170,994.41 = 60,642.27/x
3. Step 3: Cross multiply
   113,962.86x = 170,994.41 × 60,642.27
4. Step 4: Simplify right side
   113,962.86x = 10,369,488,876.50
5. Step 5: Solve for x
   x = 10,369,488,876.50/113,962.86
6. Step 6: Final answer
   x = 90,990.07