Finding the Fourth Proportional to 111,166.40, 166,602.18 and 58,613.06

Step by Step Solution

1. Step 1: Write the proportion equation
   111,166.40 : 166,602.18 = 58,613.06 : x
2. Step 2: Convert to fraction form
   111,166.40/166,602.18 = 58,613.06/x
3. Step 3: Cross multiply
   111,166.40x = 166,602.18 × 58,613.06
4. Step 4: Simplify right side
   111,166.40x = 9,765,063,572.47
5. Step 5: Solve for x
   x = 9,765,063,572.47/111,166.40
6. Step 6: Final answer
   x = 87,841.86