Finding the Fourth Proportional to 85,404.56, 128,123.24 and 29,253.33

Step by Step Solution

1. Step 1: Write the proportion equation
   85,404.56 : 128,123.24 = 29,253.33 : x
2. Step 2: Convert to fraction form
   85,404.56/128,123.24 = 29,253.33/x
3. Step 3: Cross multiply
   85,404.56x = 128,123.24 × 29,253.33
4. Step 4: Simplify right side
   85,404.56x = 3,748,031,274.12
5. Step 5: Solve for x
   x = 3,748,031,274.12/85,404.56
6. Step 6: Final answer
   x = 43,885.61