Finding the Fourth Proportional to 169,890.09, 234,443.37 and 93,409.10

Step by Step Solution

1. Step 1: Write the proportion equation
   169,890.09 : 234,443.37 = 93,409.10 : x
2. Step 2: Convert to fraction form
   169,890.09/234,443.37 = 93,409.10/x
3. Step 3: Cross multiply
   169,890.09x = 234,443.37 × 93,409.10
4. Step 4: Simplify right side
   169,890.09x = 21,899,144,780.50
5. Step 5: Solve for x
   x = 21,899,144,780.50/169,890.09
6. Step 6: Final answer
   x = 128,901.84