Finding the Fourth Proportional to 126,074.53, 189,139.83 and 55,008.69

Step by Step Solution

1. Step 1: Write the proportion equation
   126,074.53 : 189,139.83 = 55,008.69 : x
2. Step 2: Convert to fraction form
   126,074.53/189,139.83 = 55,008.69/x
3. Step 3: Cross multiply
   126,074.53x = 189,139.83 × 55,008.69
4. Step 4: Simplify right side
   126,074.53x = 10,404,334,275.12
5. Step 5: Solve for x
   x = 10,404,334,275.12/126,074.53
6. Step 6: Final answer
   x = 82,525.27