Finding the Fourth Proportional to 93,113.37, 128,499.33 and 52,828.83

Step by Step Solution

1. Step 1: Write the proportion equation
   93,113.37 : 128,499.33 = 52,828.83 : x
2. Step 2: Convert to fraction form
   93,113.37/128,499.33 = 52,828.83/x
3. Step 3: Cross multiply
   93,113.37x = 128,499.33 × 52,828.83
4. Step 4: Simplify right side
   93,113.37x = 6,788,469,259.68
5. Step 5: Solve for x
   x = 6,788,469,259.68/93,113.37
6. Step 6: Final answer
   x = 72,905.42