Finding the Fourth Proportional to 68,005.33, 93,858.50 and 56,656.83

Step by Step Solution

1. Step 1: Write the proportion equation
   68,005.33 : 93,858.50 = 56,656.83 : x
2. Step 2: Convert to fraction form
   68,005.33/93,858.50 = 56,656.83/x
3. Step 3: Cross multiply
   68,005.33x = 93,858.50 × 56,656.83
4. Step 4: Simplify right side
   68,005.33x = 5,317,725,078.56
5. Step 5: Solve for x
   x = 5,317,725,078.56/68,005.33
6. Step 6: Final answer
   x = 78,195.71