Finding the Fourth Proportional to 116,346.42, 160,553.52 and 71,100.18

Step by Step Solution

1. Step 1: Write the proportion equation
   116,346.42 : 160,553.52 = 71,100.18 : x
2. Step 2: Convert to fraction form
   116,346.42/160,553.52 = 71,100.18/x
3. Step 3: Cross multiply
   116,346.42x = 160,553.52 × 71,100.18
4. Step 4: Simplify right side
   116,346.42x = 11,415,384,171.63
5. Step 5: Solve for x
   x = 11,415,384,171.63/116,346.42
6. Step 6: Final answer
   x = 98,115.47