Finding the Fourth Proportional to 42,809.38, 64,223.82 and 23,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,809.38 : 64,223.82 = 23,087.50 : x
2. Step 2: Convert to fraction form
   42,809.38/64,223.82 = 23,087.50/x
3. Step 3: Cross multiply
   42,809.38x = 64,223.82 × 23,087.50
4. Step 4: Simplify right side
   42,809.38x = 1,482,767,283.69
5. Step 5: Solve for x
   x = 1,482,767,283.69/42,809.38
6. Step 6: Final answer
   x = 34,636.51