Finding the Fourth Proportional to 112,354.86, 155,048.37 and 64,608.36

Step by Step Solution

1. Step 1: Write the proportion equation
   112,354.86 : 155,048.37 = 64,608.36 : x
2. Step 2: Convert to fraction form
   112,354.86/155,048.37 = 64,608.36/x
3. Step 3: Cross multiply
   112,354.86x = 155,048.37 × 64,608.36
4. Step 4: Simplify right side
   112,354.86x = 10,017,420,906.37
5. Step 5: Solve for x
   x = 10,017,420,906.37/112,354.86
6. Step 6: Final answer
   x = 89,158.77