Finding the Fourth Proportional to 89,112.09, 133,676.35 and 29,140.88

Step by Step Solution

1. Step 1: Write the proportion equation
   89,112.09 : 133,676.35 = 29,140.88 : x
2. Step 2: Convert to fraction form
   89,112.09/133,676.35 = 29,140.88/x
3. Step 3: Cross multiply
   89,112.09x = 133,676.35 × 29,140.88
4. Step 4: Simplify right side
   89,112.09x = 3,895,446,343.52
5. Step 5: Solve for x
   x = 3,895,446,343.52/89,112.09
6. Step 6: Final answer
   x = 43,714.00