Finding the Fourth Proportional to 64,849.15, 97,285.56 and 31,569.31

Step by Step Solution

1. Step 1: Write the proportion equation
   64,849.15 : 97,285.56 = 31,569.31 : x
2. Step 2: Convert to fraction form
   64,849.15/97,285.56 = 31,569.31/x
3. Step 3: Cross multiply
   64,849.15x = 97,285.56 × 31,569.31
4. Step 4: Simplify right side
   64,849.15x = 3,071,238,002.16
5. Step 5: Solve for x
   x = 3,071,238,002.16/64,849.15
6. Step 6: Final answer
   x = 47,359.73