Finding the Fourth Proportional to 89,238.52, 123,146.90 and 50,995.63

Step by Step Solution

1. Step 1: Write the proportion equation
   89,238.52 : 123,146.90 = 50,995.63 : x
2. Step 2: Convert to fraction form
   89,238.52/123,146.90 = 50,995.63/x
3. Step 3: Cross multiply
   89,238.52x = 123,146.90 × 50,995.63
4. Step 4: Simplify right side
   89,238.52x = 6,279,953,838.24
5. Step 5: Solve for x
   x = 6,279,953,838.24/89,238.52
6. Step 6: Final answer
   x = 70,372.68