Finding the Fourth Proportional to 112,815.30, 155,684.79 and 62,514.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,815.30 : 155,684.79 = 62,514.30 : x
2. Step 2: Convert to fraction form
   112,815.30/155,684.79 = 62,514.30/x
3. Step 3: Cross multiply
   112,815.30x = 155,684.79 × 62,514.30
4. Step 4: Simplify right side
   112,815.30x = 9,732,525,667.50
5. Step 5: Solve for x
   x = 9,732,525,667.50/112,815.30
6. Step 6: Final answer
   x = 86,269.55