Finding the Fourth Proportional to 89,032.61, 133,456.61 and 55,676.09

Step by Step Solution

1. Step 1: Write the proportion equation
   89,032.61 : 133,456.61 = 55,676.09 : x
2. Step 2: Convert to fraction form
   89,032.61/133,456.61 = 55,676.09/x
3. Step 3: Cross multiply
   89,032.61x = 133,456.61 × 55,676.09
4. Step 4: Simplify right side
   89,032.61x = 7,430,341,951.07
5. Step 5: Solve for x
   x = 7,430,341,951.07/89,032.61
6. Step 6: Final answer
   x = 83,456.41