Finding the Fourth Proportional to 151,979.16, 227,902.38 and 58,419

Step by Step Solution

1. Step 1: Write the proportion equation
   151,979.16 : 227,902.38 = 58,419 : x
2. Step 2: Convert to fraction form
   151,979.16/227,902.38 = 58,419/x
3. Step 3: Cross multiply
   151,979.16x = 227,902.38 × 58,419
4. Step 4: Simplify right side
   151,979.16x = 13,313,829,137.22
5. Step 5: Solve for x
   x = 13,313,829,137.22/151,979.16
6. Step 6: Final answer
   x = 87,602.99