Finding the Fourth Proportional to 89,460.12, 123,324.86 and 62,519

Step by Step Solution

1. Step 1: Write the proportion equation
   89,460.12 : 123,324.86 = 62,519 : x
2. Step 2: Convert to fraction form
   89,460.12/123,324.86 = 62,519/x
3. Step 3: Cross multiply
   89,460.12x = 123,324.86 × 62,519
4. Step 4: Simplify right side
   89,460.12x = 7,710,146,922.34
5. Step 5: Solve for x
   x = 7,710,146,922.34/89,460.12
6. Step 6: Final answer
   x = 86,185.30