Finding the Fourth Proportional to 126,127.15, 189,185.25 and 31,355.35

Step by Step Solution

1. Step 1: Write the proportion equation
   126,127.15 : 189,185.25 = 31,355.35 : x
2. Step 2: Convert to fraction form
   126,127.15/189,185.25 = 31,355.35/x
3. Step 3: Cross multiply
   126,127.15x = 189,185.25 × 31,355.35
4. Step 4: Simplify right side
   126,127.15x = 5,931,969,728.59
5. Step 5: Solve for x
   x = 5,931,969,728.59/126,127.15
6. Step 6: Final answer
   x = 47,031.66