Finding the Fourth Proportional to 116,109.21, 160,080.39 and 75,200.58

Step by Step Solution

1. Step 1: Write the proportion equation
   116,109.21 : 160,080.39 = 75,200.58 : x
2. Step 2: Convert to fraction form
   116,109.21/160,080.39 = 75,200.58/x
3. Step 3: Cross multiply
   116,109.21x = 160,080.39 × 75,200.58
4. Step 4: Simplify right side
   116,109.21x = 12,038,138,174.63
5. Step 5: Solve for x
   x = 12,038,138,174.63/116,109.21
6. Step 6: Final answer
   x = 103,679.44