Finding the Fourth Proportional to 69,085.46, 103,630.41 and 19,166.06

Step by Step Solution

1. Step 1: Write the proportion equation
   69,085.46 : 103,630.41 = 19,166.06 : x
2. Step 2: Convert to fraction form
   69,085.46/103,630.41 = 19,166.06/x
3. Step 3: Cross multiply
   69,085.46x = 103,630.41 × 19,166.06
4. Step 4: Simplify right side
   69,085.46x = 1,986,186,655.88
5. Step 5: Solve for x
   x = 1,986,186,655.88/69,085.46
6. Step 6: Final answer
   x = 28,749.71