Finding the Fourth Proportional to 168,465.86, 252,697.76 and 42,105.47

Step by Step Solution

1. Step 1: Write the proportion equation
   168,465.86 : 252,697.76 = 42,105.47 : x
2. Step 2: Convert to fraction form
   168,465.86/252,697.76 = 42,105.47/x
3. Step 3: Cross multiply
   168,465.86x = 252,697.76 × 42,105.47
4. Step 4: Simplify right side
   168,465.86x = 10,639,956,794.52
5. Step 5: Solve for x
   x = 10,639,956,794.52/168,465.86
6. Step 6: Final answer
   x = 63,157.94