Finding the Fourth Proportional to 127,466.64, 190,826.15 and 89,383.86

Step by Step Solution

1. Step 1: Write the proportion equation
   127,466.64 : 190,826.15 = 89,383.86 : x
2. Step 2: Convert to fraction form
   127,466.64/190,826.15 = 89,383.86/x
3. Step 3: Cross multiply
   127,466.64x = 190,826.15 × 89,383.86
4. Step 4: Simplify right side
   127,466.64x = 17,056,777,429.02
5. Step 5: Solve for x
   x = 17,056,777,429.02/127,466.64
6. Step 6: Final answer
   x = 133,813.66