Finding the Fourth Proportional to 116,790, 175,295.76 and 72,282.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,790 : 175,295.76 = 72,282.12 : x
2. Step 2: Convert to fraction form
   116,790/175,295.76 = 72,282.12/x
3. Step 3: Cross multiply
   116,790x = 175,295.76 × 72,282.12
4. Step 4: Simplify right side
   116,790x = 12,670,749,159.81
5. Step 5: Solve for x
   x = 12,670,749,159.81/116,790
6. Step 6: Final answer
   x = 108,491.73