Finding the Fourth Proportional to 49,915.06, 68,913.88 and 31,776.02

Step by Step Solution

1. Step 1: Write the proportion equation
   49,915.06 : 68,913.88 = 31,776.02 : x
2. Step 2: Convert to fraction form
   49,915.06/68,913.88 = 31,776.02/x
3. Step 3: Cross multiply
   49,915.06x = 68,913.88 × 31,776.02
4. Step 4: Simplify right side
   49,915.06x = 2,189,808,829.16
5. Step 5: Solve for x
   x = 2,189,808,829.16/49,915.06
6. Step 6: Final answer
   x = 43,870.70