Finding the Fourth Proportional to 116,769.98, 175,212.21 and 72,384.98

Step by Step Solution

1. Step 1: Write the proportion equation
   116,769.98 : 175,212.21 = 72,384.98 : x
2. Step 2: Convert to fraction form
   116,769.98/175,212.21 = 72,384.98/x
3. Step 3: Cross multiply
   116,769.98x = 175,212.21 × 72,384.98
4. Step 4: Simplify right side
   116,769.98x = 12,682,732,316.61
5. Step 5: Solve for x
   x = 12,682,732,316.61/116,769.98
6. Step 6: Final answer
   x = 108,612.95