Finding the Fourth Proportional to 116,328.72, 174,148.62 and 71,812.35

Step by Step Solution

1. Step 1: Write the proportion equation
   116,328.72 : 174,148.62 = 71,812.35 : x
2. Step 2: Convert to fraction form
   116,328.72/174,148.62 = 71,812.35/x
3. Step 3: Cross multiply
   116,328.72x = 174,148.62 × 71,812.35
4. Step 4: Simplify right side
   116,328.72x = 12,506,021,651.46
5. Step 5: Solve for x
   x = 12,506,021,651.46/116,328.72
6. Step 6: Final answer
   x = 107,505.88