Finding the Fourth Proportional to 126,499.49, 189,776.55 and 47,613.48

Step by Step Solution

1. Step 1: Write the proportion equation
   126,499.49 : 189,776.55 = 47,613.48 : x
2. Step 2: Convert to fraction form
   126,499.49/189,776.55 = 47,613.48/x
3. Step 3: Cross multiply
   126,499.49x = 189,776.55 × 47,613.48
4. Step 4: Simplify right side
   126,499.49x = 9,035,921,967.89
5. Step 5: Solve for x
   x = 9,035,921,967.89/126,499.49
6. Step 6: Final answer
   x = 71,430.50