Finding the Fourth Proportional to 315,541.48, 473,499.52 and 126,091.32

Step by Step Solution

1. Step 1: Write the proportion equation
   315,541.48 : 473,499.52 = 126,091.32 : x
2. Step 2: Convert to fraction form
   315,541.48/473,499.52 = 126,091.32/x
3. Step 3: Cross multiply
   315,541.48x = 473,499.52 × 126,091.32
4. Step 4: Simplify right side
   315,541.48x = 59,704,179,496.17
5. Step 5: Solve for x
   x = 59,704,179,496.17/315,541.48
6. Step 6: Final answer
   x = 189,211.83