Finding the Fourth Proportional to 105,398.73, 145,499.27 and 62,364.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,398.73 : 145,499.27 = 62,364.69 : x
2. Step 2: Convert to fraction form
   105,398.73/145,499.27 = 62,364.69/x
3. Step 3: Cross multiply
   105,398.73x = 145,499.27 × 62,364.69
4. Step 4: Simplify right side
   105,398.73x = 9,074,016,556.95
5. Step 5: Solve for x
   x = 9,074,016,556.95/105,398.73
6. Step 6: Final answer
   x = 86,092.28