Finding the Fourth Proportional to 355,585.34, 533,336.89 and 89,325.59

Step by Step Solution

1. Step 1: Write the proportion equation
   355,585.34 : 533,336.89 = 89,325.59 : x
2. Step 2: Convert to fraction form
   355,585.34/533,336.89 = 89,325.59/x
3. Step 3: Cross multiply
   355,585.34x = 533,336.89 × 89,325.59
4. Step 4: Simplify right side
   355,585.34x = 47,640,632,368.02
5. Step 5: Solve for x
   x = 47,640,632,368.02/355,585.34
6. Step 6: Final answer
   x = 133,978.06