Finding the Fourth Proportional to 93,815.68, 140,759.59 and 56,401.58

Step by Step Solution

1. Step 1: Write the proportion equation
   93,815.68 : 140,759.59 = 56,401.58 : x
2. Step 2: Convert to fraction form
   93,815.68/140,759.59 = 56,401.58/x
3. Step 3: Cross multiply
   93,815.68x = 140,759.59 × 56,401.58
4. Step 4: Simplify right side
   93,815.68x = 7,939,062,801.03
5. Step 5: Solve for x
   x = 7,939,062,801.03/93,815.68
6. Step 6: Final answer
   x = 84,624.05