Finding the Fourth Proportional to 42,052.72, 63,122.82 and 30,971.92

Step by Step Solution

1. Step 1: Write the proportion equation
   42,052.72 : 63,122.82 = 30,971.92 : x
2. Step 2: Convert to fraction form
   42,052.72/63,122.82 = 30,971.92/x
3. Step 3: Cross multiply
   42,052.72x = 63,122.82 × 30,971.92
4. Step 4: Simplify right side
   42,052.72x = 1,955,034,931.21
5. Step 5: Solve for x
   x = 1,955,034,931.21/42,052.72
6. Step 6: Final answer
   x = 46,490.09