Finding the Fourth Proportional to 47,008.01, 64,846.89 and 30,872.99

Step by Step Solution

1. Step 1: Write the proportion equation
   47,008.01 : 64,846.89 = 30,872.99 : x
2. Step 2: Convert to fraction form
   47,008.01/64,846.89 = 30,872.99/x
3. Step 3: Cross multiply
   47,008.01x = 64,846.89 × 30,872.99
4. Step 4: Simplify right side
   47,008.01x = 2,002,017,548.62
5. Step 5: Solve for x
   x = 2,002,017,548.62/47,008.01
6. Step 6: Final answer
   x = 42,588.86