Finding the Fourth Proportional to 108,747.90, 150,124.86 and 72,924.84

Step by Step Solution

1. Step 1: Write the proportion equation
   108,747.90 : 150,124.86 = 72,924.84 : x
2. Step 2: Convert to fraction form
   108,747.90/150,124.86 = 72,924.84/x
3. Step 3: Cross multiply
   108,747.90x = 150,124.86 × 72,924.84
4. Step 4: Simplify right side
   108,747.90x = 10,947,831,395.52
5. Step 5: Solve for x
   x = 10,947,831,395.52/108,747.90
6. Step 6: Final answer
   x = 100,671.66