Finding the Fourth Proportional to 46,989.52, 64,848.54 and 31,046.04

Step by Step Solution

1. Step 1: Write the proportion equation
   46,989.52 : 64,848.54 = 31,046.04 : x
2. Step 2: Convert to fraction form
   46,989.52/64,848.54 = 31,046.04/x
3. Step 3: Cross multiply
   46,989.52x = 64,848.54 × 31,046.04
4. Step 4: Simplify right side
   46,989.52x = 2,013,290,366.78
5. Step 5: Solve for x
   x = 2,013,290,366.78/46,989.52
6. Step 6: Final answer
   x = 42,845.52