Finding the Fourth Proportional to 113,091.52, 169,314.72 and 89,752

Step by Step Solution

1. Step 1: Write the proportion equation
   113,091.52 : 169,314.72 = 89,752 : x
2. Step 2: Convert to fraction form
   113,091.52/169,314.72 = 89,752/x
3. Step 3: Cross multiply
   113,091.52x = 169,314.72 × 89,752
4. Step 4: Simplify right side
   113,091.52x = 15,196,334,749.44
5. Step 5: Solve for x
   x = 15,196,334,749.44/113,091.52
6. Step 6: Final answer
   x = 134,372.01