Finding the Fourth Proportional to 42,753.72, 64,129.86 and 15,051

Step by Step Solution

1. Step 1: Write the proportion equation
   42,753.72 : 64,129.86 = 15,051 : x
2. Step 2: Convert to fraction form
   42,753.72/64,129.86 = 15,051/x
3. Step 3: Cross multiply
   42,753.72x = 64,129.86 × 15,051
4. Step 4: Simplify right side
   42,753.72x = 965,218,522.86
5. Step 5: Solve for x
   x = 965,218,522.86/42,753.72
6. Step 6: Final answer
   x = 22,576.25