Finding the Fourth Proportional to 116,803, 175,315.20 and 72,295.12

Step by Step Solution

1. Step 1: Write the proportion equation
   116,803 : 175,315.20 = 72,295.12 : x
2. Step 2: Convert to fraction form
   116,803/175,315.20 = 72,295.12/x
3. Step 3: Cross multiply
   116,803x = 175,315.20 × 72,295.12
4. Step 4: Simplify right side
   116,803x = 12,674,433,421.82
5. Step 5: Solve for x
   x = 12,674,433,421.82/116,803
6. Step 6: Final answer
   x = 108,511.20