Finding the Fourth Proportional to 55,706.72, 83,577.42 and 18,267.08

Step by Step Solution

1. Step 1: Write the proportion equation
   55,706.72 : 83,577.42 = 18,267.08 : x
2. Step 2: Convert to fraction form
   55,706.72/83,577.42 = 18,267.08/x
3. Step 3: Cross multiply
   55,706.72x = 83,577.42 × 18,267.08
4. Step 4: Simplify right side
   55,706.72x = 1,526,715,417.33
5. Step 5: Solve for x
   x = 1,526,715,417.33/55,706.72
6. Step 6: Final answer
   x = 27,406.31