Finding the Fourth Proportional to 34,088.72, 51,133.12 and 15,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,088.72 : 51,133.12 = 15,620.72 : x
2. Step 2: Convert to fraction form
   34,088.72/51,133.12 = 15,620.72/x
3. Step 3: Cross multiply
   34,088.72x = 51,133.12 × 15,620.72
4. Step 4: Simplify right side
   34,088.72x = 798,736,150.25
5. Step 5: Solve for x
   x = 798,736,150.25/34,088.72
6. Step 6: Final answer
   x = 23,431.10