Finding the Fourth Proportional to 46,405.30, 64,006.24 and 42,589.23

Step by Step Solution

1. Step 1: Write the proportion equation
   46,405.30 : 64,006.24 = 42,589.23 : x
2. Step 2: Convert to fraction form
   46,405.30/64,006.24 = 42,589.23/x
3. Step 3: Cross multiply
   46,405.30x = 64,006.24 × 42,589.23
4. Step 4: Simplify right side
   46,405.30x = 2,725,976,622.81
5. Step 5: Solve for x
   x = 2,725,976,622.81/46,405.30
6. Step 6: Final answer
   x = 58,742.78