Finding the Fourth Proportional to 64,686.79, 89,238.27 and 46,753.39

Step by Step Solution

1. Step 1: Write the proportion equation
   64,686.79 : 89,238.27 = 46,753.39 : x
2. Step 2: Convert to fraction form
   64,686.79/89,238.27 = 46,753.39/x
3. Step 3: Cross multiply
   64,686.79x = 89,238.27 × 46,753.39
4. Step 4: Simplify right side
   64,686.79x = 4,172,191,640.24
5. Step 5: Solve for x
   x = 4,172,191,640.24/64,686.79
6. Step 6: Final answer
   x = 64,498.36