Finding the Fourth Proportional to 116,947.80, 175,551.30 and 72,624.60

Step by Step Solution

1. Step 1: Write the proportion equation
   116,947.80 : 175,551.30 = 72,624.60 : x
2. Step 2: Convert to fraction form
   116,947.80/175,551.30 = 72,624.60/x
3. Step 3: Cross multiply
   116,947.80x = 175,551.30 × 72,624.60
4. Step 4: Simplify right side
   116,947.80x = 12,749,342,941.98
5. Step 5: Solve for x
   x = 12,749,342,941.98/116,947.80
6. Step 6: Final answer
   x = 109,017.38