Finding the Fourth Proportional to 51,141.02, 76,743.47 and 19,553.74

Step by Step Solution

1. Step 1: Write the proportion equation
   51,141.02 : 76,743.47 = 19,553.74 : x
2. Step 2: Convert to fraction form
   51,141.02/76,743.47 = 19,553.74/x
3. Step 3: Cross multiply
   51,141.02x = 76,743.47 × 19,553.74
4. Step 4: Simplify right side
   51,141.02x = 1,500,621,377.59
5. Step 5: Solve for x
   x = 1,500,621,377.59/51,141.02
6. Step 6: Final answer
   x = 29,342.81