Finding the Fourth Proportional to 341,870.32, 512,805.84 and 89,150.59

Step by Step Solution

1. Step 1: Write the proportion equation
   341,870.32 : 512,805.84 = 89,150.59 : x
2. Step 2: Convert to fraction form
   341,870.32/512,805.84 = 89,150.59/x
3. Step 3: Cross multiply
   341,870.32x = 512,805.84 × 89,150.59
4. Step 4: Simplify right side
   341,870.32x = 45,716,940,627.42
5. Step 5: Solve for x
   x = 45,716,940,627.42/341,870.32
6. Step 6: Final answer
   x = 133,725.97