Finding the Fourth Proportional to 46,274.72, 69,439.71 and 42,510.30

Step by Step Solution

1. Step 1: Write the proportion equation
   46,274.72 : 69,439.71 = 42,510.30 : x
2. Step 2: Convert to fraction form
   46,274.72/69,439.71 = 42,510.30/x
3. Step 3: Cross multiply
   46,274.72x = 69,439.71 × 42,510.30
4. Step 4: Simplify right side
   46,274.72x = 2,951,902,904.01
5. Step 5: Solve for x
   x = 2,951,902,904.01/46,274.72
6. Step 6: Final answer
   x = 63,790.84