Finding the Fourth Proportional to 316,016.16, 474,071.45 and 116,321.37

Step by Step Solution

1. Step 1: Write the proportion equation
   316,016.16 : 474,071.45 = 116,321.37 : x
2. Step 2: Convert to fraction form
   316,016.16/474,071.45 = 116,321.37/x
3. Step 3: Cross multiply
   316,016.16x = 474,071.45 × 116,321.37
4. Step 4: Simplify right side
   316,016.16x = 55,144,640,541.89
5. Step 5: Solve for x
   x = 55,144,640,541.89/316,016.16
6. Step 6: Final answer
   x = 174,499.43