Finding the Fourth Proportional to 42,053.72, 63,124.32 and 30,972.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,053.72 : 63,124.32 = 30,972.92 : x
2. Step 2: Convert to fraction form
   42,053.72/63,124.32 = 30,972.92/x
3. Step 3: Cross multiply
   42,053.72x = 63,124.32 × 30,972.92
4. Step 4: Simplify right side
   42,053.72x = 1,955,144,513.41
5. Step 5: Solve for x
   x = 1,955,144,513.41/42,053.72
6. Step 6: Final answer
   x = 46,491.59