Finding the Fourth Proportional to 111,355.30, 166,817.59 and 69,252.22

Step by Step Solution

1. Step 1: Write the proportion equation
   111,355.30 : 166,817.59 = 69,252.22 : x
2. Step 2: Convert to fraction form
   111,355.30/166,817.59 = 69,252.22/x
3. Step 3: Cross multiply
   111,355.30x = 166,817.59 × 69,252.22
4. Step 4: Simplify right side
   111,355.30x = 11,552,488,442.55
5. Step 5: Solve for x
   x = 11,552,488,442.55/111,355.30
6. Step 6: Final answer
   x = 103,744.40