Finding the Fourth Proportional to 116,057.30, 160,187.56 and 70,760.25

Step by Step Solution

1. Step 1: Write the proportion equation
   116,057.30 : 160,187.56 = 70,760.25 : x
2. Step 2: Convert to fraction form
   116,057.30/160,187.56 = 70,760.25/x
3. Step 3: Cross multiply
   116,057.30x = 160,187.56 × 70,760.25
4. Step 4: Simplify right side
   116,057.30x = 11,334,911,615.59
5. Step 5: Solve for x
   x = 11,334,911,615.59/116,057.30
6. Step 6: Final answer
   x = 97,666.52