Finding the Fourth Proportional to 109,939.15, 151,715.73 and 59,638.15

Step by Step Solution

1. Step 1: Write the proportion equation
   109,939.15 : 151,715.73 = 59,638.15 : x
2. Step 2: Convert to fraction form
   109,939.15/151,715.73 = 59,638.15/x
3. Step 3: Cross multiply
   109,939.15x = 151,715.73 × 59,638.15
4. Step 4: Simplify right side
   109,939.15x = 9,048,045,463.10
5. Step 5: Solve for x
   x = 9,048,045,463.10/109,939.15
6. Step 6: Final answer
   x = 82,300.49