Finding the Fourth Proportional to 123,383.35, 185,148.76 and 113,345.02

Step by Step Solution

1. Step 1: Write the proportion equation
   123,383.35 : 185,148.76 = 113,345.02 : x
2. Step 2: Convert to fraction form
   123,383.35/185,148.76 = 113,345.02/x
3. Step 3: Cross multiply
   123,383.35x = 185,148.76 × 113,345.02
4. Step 4: Simplify right side
   123,383.35x = 20,985,689,905.18
5. Step 5: Solve for x
   x = 20,985,689,905.18/123,383.35
6. Step 6: Final answer
   x = 170,085.27