Finding the Fourth Proportional to 116,072.18, 174,157.52 and 63,420.15

Step by Step Solution

1. Step 1: Write the proportion equation
   116,072.18 : 174,157.52 = 63,420.15 : x
2. Step 2: Convert to fraction form
   116,072.18/174,157.52 = 63,420.15/x
3. Step 3: Cross multiply
   116,072.18x = 174,157.52 × 63,420.15
4. Step 4: Simplify right side
   116,072.18x = 11,045,095,724.93
5. Step 5: Solve for x
   x = 11,045,095,724.93/116,072.18
6. Step 6: Final answer
   x = 95,157.14