Finding the Fourth Proportional to 89,748.82, 134,639.23 and 29,780.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,748.82 : 134,639.23 = 29,780.89 : x
2. Step 2: Convert to fraction form
   89,748.82/134,639.23 = 29,780.89/x
3. Step 3: Cross multiply
   89,748.82x = 134,639.23 × 29,780.89
4. Step 4: Simplify right side
   89,748.82x = 4,009,676,098.31
5. Step 5: Solve for x
   x = 4,009,676,098.31/89,748.82
6. Step 6: Final answer
   x = 44,676.64