Finding the Fourth Proportional to 113,499, 170,185.59 and 52,642.89

Step by Step Solution

1. Step 1: Write the proportion equation
   113,499 : 170,185.59 = 52,642.89 : x
2. Step 2: Convert to fraction form
   113,499/170,185.59 = 52,642.89/x
3. Step 3: Cross multiply
   113,499x = 170,185.59 × 52,642.89
4. Step 4: Simplify right side
   113,499x = 8,959,061,293.96
5. Step 5: Solve for x
   x = 8,959,061,293.96/113,499
6. Step 6: Final answer
   x = 78,935.16