Finding the Fourth Proportional to 49,631.64, 68,498.51 and 30,523.47

Step by Step Solution

1. Step 1: Write the proportion equation
   49,631.64 : 68,498.51 = 30,523.47 : x
2. Step 2: Convert to fraction form
   49,631.64/68,498.51 = 30,523.47/x
3. Step 3: Cross multiply
   49,631.64x = 68,498.51 × 30,523.47
4. Step 4: Simplify right side
   49,631.64x = 2,090,812,062.41
5. Step 5: Solve for x
   x = 2,090,812,062.41/49,631.64
6. Step 6: Final answer
   x = 42,126.60