Finding the Fourth Proportional to 93,113.36, 128,499.35 and 52,828.82

Step by Step Solution

1. Step 1: Write the proportion equation
   93,113.36 : 128,499.35 = 52,828.82 : x
2. Step 2: Convert to fraction form
   93,113.36/128,499.35 = 52,828.82/x
3. Step 3: Cross multiply
   93,113.36x = 128,499.35 × 52,828.82
4. Step 4: Simplify right side
   93,113.36x = 6,788,469,031.27
5. Step 5: Solve for x
   x = 6,788,469,031.27/93,113.36
6. Step 6: Final answer
   x = 72,905.42