Finding the Fourth Proportional to 118,149, 162,953.46 and 75,711.48

Step by Step Solution

1. Step 1: Write the proportion equation
   118,149 : 162,953.46 = 75,711.48 : x
2. Step 2: Convert to fraction form
   118,149/162,953.46 = 75,711.48/x
3. Step 3: Cross multiply
   118,149x = 162,953.46 × 75,711.48
4. Step 4: Simplify right side
   118,149x = 12,337,447,627.72
5. Step 5: Solve for x
   x = 12,337,447,627.72/118,149
6. Step 6: Final answer
   x = 104,422.79