Finding the Fourth Proportional to 89,339.22, 134,043.45 and 39,384.03

Step by Step Solution

1. Step 1: Write the proportion equation
   89,339.22 : 134,043.45 = 39,384.03 : x
2. Step 2: Convert to fraction form
   89,339.22/134,043.45 = 39,384.03/x
3. Step 3: Cross multiply
   89,339.22x = 134,043.45 × 39,384.03
4. Step 4: Simplify right side
   89,339.22x = 5,279,171,256.10
5. Step 5: Solve for x
   x = 5,279,171,256.10/89,339.22
6. Step 6: Final answer
   x = 59,091.31