Finding the Fourth Proportional to 47,004.56, 64,869.28 and 31,061.04

Step by Step Solution

1. Step 1: Write the proportion equation
   47,004.56 : 64,869.28 = 31,061.04 : x
2. Step 2: Convert to fraction form
   47,004.56/64,869.28 = 31,061.04/x
3. Step 3: Cross multiply
   47,004.56x = 64,869.28 × 31,061.04
4. Step 4: Simplify right side
   47,004.56x = 2,014,907,300.85
5. Step 5: Solve for x
   x = 2,014,907,300.85/47,004.56
6. Step 6: Final answer
   x = 42,866.21