Finding the Fourth Proportional to 113,586.89, 170,400.59 and 37,689.98

Step by Step Solution

1. Step 1: Write the proportion equation
   113,586.89 : 170,400.59 = 37,689.98 : x
2. Step 2: Convert to fraction form
   113,586.89/170,400.59 = 37,689.98/x
3. Step 3: Cross multiply
   113,586.89x = 170,400.59 × 37,689.98
4. Step 4: Simplify right side
   113,586.89x = 6,422,394,071.31
5. Step 5: Solve for x
   x = 6,422,394,071.31/113,586.89
6. Step 6: Final answer
   x = 56,541.69