Finding the Fourth Proportional to 137,554.29, 189,755.06 and 89,835.57

Step by Step Solution

1. Step 1: Write the proportion equation
   137,554.29 : 189,755.06 = 89,835.57 : x
2. Step 2: Convert to fraction form
   137,554.29/189,755.06 = 89,835.57/x
3. Step 3: Cross multiply
   137,554.29x = 189,755.06 × 89,835.57
4. Step 4: Simplify right side
   137,554.29x = 17,046,753,526.31
5. Step 5: Solve for x
   x = 17,046,753,526.31/137,554.29
6. Step 6: Final answer
   x = 123,927.46