Finding the Fourth Proportional to 72,514.49, 108,758.76 and 46,140.89

Step by Step Solution

1. Step 1: Write the proportion equation
   72,514.49 : 108,758.76 = 46,140.89 : x
2. Step 2: Convert to fraction form
   72,514.49/108,758.76 = 46,140.89/x
3. Step 3: Cross multiply
   72,514.49x = 108,758.76 × 46,140.89
4. Step 4: Simplify right side
   72,514.49x = 5,018,225,981.70
5. Step 5: Solve for x
   x = 5,018,225,981.70/72,514.49
6. Step 6: Final answer
   x = 69,203.08