Finding the Fourth Proportional to 67,590.50, 101,385.94 and 18,342.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,590.50 : 101,385.94 = 18,342.50 : x
2. Step 2: Convert to fraction form
   67,590.50/101,385.94 = 18,342.50/x
3. Step 3: Cross multiply
   67,590.50x = 101,385.94 × 18,342.50
4. Step 4: Simplify right side
   67,590.50x = 1,859,671,604.45
5. Step 5: Solve for x
   x = 1,859,671,604.45/67,590.50
6. Step 6: Final answer
   x = 27,513.80