Finding the Fourth Proportional to 114,288.24, 170,737.34 and 73,978.86

Step by Step Solution

1. Step 1: Write the proportion equation
   114,288.24 : 170,737.34 = 73,978.86 : x
2. Step 2: Convert to fraction form
   114,288.24/170,737.34 = 73,978.86/x
3. Step 3: Cross multiply
   114,288.24x = 170,737.34 × 73,978.86
4. Step 4: Simplify right side
   114,288.24x = 12,630,953,957.58
5. Step 5: Solve for x
   x = 12,630,953,957.58/114,288.24
6. Step 6: Final answer
   x = 110,518.40