Finding the Fourth Proportional to 46,538.65, 69,281.61 and 46,261.86

Step by Step Solution

1. Step 1: Write the proportion equation
   46,538.65 : 69,281.61 = 46,261.86 : x
2. Step 2: Convert to fraction form
   46,538.65/69,281.61 = 46,261.86/x
3. Step 3: Cross multiply
   46,538.65x = 69,281.61 × 46,261.86
4. Step 4: Simplify right side
   46,538.65x = 3,205,096,142.39
5. Step 5: Solve for x
   x = 3,205,096,142.39/46,538.65
6. Step 6: Final answer
   x = 68,869.56