Finding the Fourth Proportional to 49,888.37, 68,294.88 and 49,532.31

Step by Step Solution

1. Step 1: Write the proportion equation
   49,888.37 : 68,294.88 = 49,532.31 : x
2. Step 2: Convert to fraction form
   49,888.37/68,294.88 = 49,532.31/x
3. Step 3: Cross multiply
   49,888.37x = 68,294.88 × 49,532.31
4. Step 4: Simplify right side
   49,888.37x = 3,382,803,167.57
5. Step 5: Solve for x
   x = 3,382,803,167.57/49,888.37
6. Step 6: Final answer
   x = 67,807.45