Finding the Fourth Proportional to 85,736.52, 128,559.42 and 33,093

Step by Step Solution

1. Step 1: Write the proportion equation
   85,736.52 : 128,559.42 = 33,093 : x
2. Step 2: Convert to fraction form
   85,736.52/128,559.42 = 33,093/x
3. Step 3: Cross multiply
   85,736.52x = 128,559.42 × 33,093
4. Step 4: Simplify right side
   85,736.52x = 4,254,416,886.06
5. Step 5: Solve for x
   x = 4,254,416,886.06/85,736.52
6. Step 6: Final answer
   x = 49,621.99