Finding the Fourth Proportional to 72,276.48, 108,447.53 and 42,751.98

Step by Step Solution

1. Step 1: Write the proportion equation
   72,276.48 : 108,447.53 = 42,751.98 : x
2. Step 2: Convert to fraction form
   72,276.48/108,447.53 = 42,751.98/x
3. Step 3: Cross multiply
   72,276.48x = 108,447.53 × 42,751.98
4. Step 4: Simplify right side
   72,276.48x = 4,636,346,419.85
5. Step 5: Solve for x
   x = 4,636,346,419.85/72,276.48
6. Step 6: Final answer
   x = 64,147.37