Finding the Fourth Proportional to 116,498.55, 160,764.74 and 70,585.38

Step by Step Solution

1. Step 1: Write the proportion equation
   116,498.55 : 160,764.74 = 70,585.38 : x
2. Step 2: Convert to fraction form
   116,498.55/160,764.74 = 70,585.38/x
3. Step 3: Cross multiply
   116,498.55x = 160,764.74 × 70,585.38
4. Step 4: Simplify right side
   116,498.55x = 11,347,639,818.73
5. Step 5: Solve for x
   x = 11,347,639,818.73/116,498.55
6. Step 6: Final answer
   x = 97,405.85