Finding the Fourth Proportional to 49,071.15, 67,709.99 and 28,925.30

Step by Step Solution

1. Step 1: Write the proportion equation
   49,071.15 : 67,709.99 = 28,925.30 : x
2. Step 2: Convert to fraction form
   49,071.15/67,709.99 = 28,925.30/x
3. Step 3: Cross multiply
   49,071.15x = 67,709.99 × 28,925.30
4. Step 4: Simplify right side
   49,071.15x = 1,958,532,015.34
5. Step 5: Solve for x
   x = 1,958,532,015.34/49,071.15
6. Step 6: Final answer
   x = 39,912.09