Finding the Fourth Proportional to 315,149.00, 472,725.23 and 78,491.69

Step by Step Solution

1. Step 1: Write the proportion equation
   315,149.00 : 472,725.23 = 78,491.69 : x
2. Step 2: Convert to fraction form
   315,149.00/472,725.23 = 78,491.69/x
3. Step 3: Cross multiply
   315,149.00x = 472,725.23 × 78,491.69
4. Step 4: Simplify right side
   315,149.00x = 37,105,002,208.34
5. Step 5: Solve for x
   x = 37,105,002,208.34/315,149.00
6. Step 6: Final answer
   x = 117,737.97