Finding the Fourth Proportional to 46,558.69, 69,811.68 and 42,591.31

Step by Step Solution

1. Step 1: Write the proportion equation
   46,558.69 : 69,811.68 = 42,591.31 : x
2. Step 2: Convert to fraction form
   46,558.69/69,811.68 = 42,591.31/x
3. Step 3: Cross multiply
   46,558.69x = 69,811.68 × 42,591.31
4. Step 4: Simplify right side
   46,558.69x = 2,973,370,904.50
5. Step 5: Solve for x
   x = 2,973,370,904.50/46,558.69
6. Step 6: Final answer
   x = 63,862.86