Finding the Fourth Proportional to 50,068.78, 69,071.58 and 28,835.74

Step by Step Solution

1. Step 1: Write the proportion equation
   50,068.78 : 69,071.58 = 28,835.74 : x
2. Step 2: Convert to fraction form
   50,068.78/69,071.58 = 28,835.74/x
3. Step 3: Cross multiply
   50,068.78x = 69,071.58 × 28,835.74
4. Step 4: Simplify right side
   50,068.78x = 1,991,730,122.27
5. Step 5: Solve for x
   x = 1,991,730,122.27/50,068.78
6. Step 6: Final answer
   x = 39,779.88