Finding the Fourth Proportional to 116,414.55, 174,743.98 and 103,172.27

Step by Step Solution

1. Step 1: Write the proportion equation
   116,414.55 : 174,743.98 = 103,172.27 : x
2. Step 2: Convert to fraction form
   116,414.55/174,743.98 = 103,172.27/x
3. Step 3: Cross multiply
   116,414.55x = 174,743.98 × 103,172.27
4. Step 4: Simplify right side
   116,414.55x = 18,028,731,953.78
5. Step 5: Solve for x
   x = 18,028,731,953.78/116,414.55
6. Step 6: Final answer
   x = 154,866.66