Finding the Fourth Proportional to 93,322.89, 128,788.59 and 52,494.09

Step by Step Solution

1. Step 1: Write the proportion equation
   93,322.89 : 128,788.59 = 52,494.09 : x
2. Step 2: Convert to fraction form
   93,322.89/128,788.59 = 52,494.09/x
3. Step 3: Cross multiply
   93,322.89x = 128,788.59 × 52,494.09
4. Step 4: Simplify right side
   93,322.89x = 6,760,639,834.43
5. Step 5: Solve for x
   x = 6,760,639,834.43/93,322.89
6. Step 6: Final answer
   x = 72,443.53