Finding the Fourth Proportional to 89,887.32, 134,848.32 and 34,479

Step by Step Solution

1. Step 1: Write the proportion equation
   89,887.32 : 134,848.32 = 34,479 : x
2. Step 2: Convert to fraction form
   89,887.32/134,848.32 = 34,479/x
3. Step 3: Cross multiply
   89,887.32x = 134,848.32 × 34,479
4. Step 4: Simplify right side
   89,887.32x = 4,649,435,225.28
5. Step 5: Solve for x
   x = 4,649,435,225.28/89,887.32
6. Step 6: Final answer
   x = 51,725.15