Finding the Fourth Proportional to 115,810.50, 159,818.49 and 62,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   115,810.50 : 159,818.49 = 62,818.50 : x
2. Step 2: Convert to fraction form
   115,810.50/159,818.49 = 62,818.50/x
3. Step 3: Cross multiply
   115,810.50x = 159,818.49 × 62,818.50
4. Step 4: Simplify right side
   115,810.50x = 10,039,557,814.07
5. Step 5: Solve for x
   x = 10,039,557,814.07/115,810.50
6. Step 6: Final answer
   x = 86,689.53