Finding the Fourth Proportional to 89,634.96, 123,483.72 and 62,730

Step by Step Solution

1. Step 1: Write the proportion equation
   89,634.96 : 123,483.72 = 62,730 : x
2. Step 2: Convert to fraction form
   89,634.96/123,483.72 = 62,730/x
3. Step 3: Cross multiply
   89,634.96x = 123,483.72 × 62,730
4. Step 4: Simplify right side
   89,634.96x = 7,746,133,755.60
5. Step 5: Solve for x
   x = 7,746,133,755.60/89,634.96
6. Step 6: Final answer
   x = 86,418.67