Finding the Fourth Proportional to 50,764.42, 69,898.42 and 45,089.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,764.42 : 69,898.42 = 45,089.30 : x
2. Step 2: Convert to fraction form
   50,764.42/69,898.42 = 45,089.30/x
3. Step 3: Cross multiply
   50,764.42x = 69,898.42 × 45,089.30
4. Step 4: Simplify right side
   50,764.42x = 3,151,670,890.93
5. Step 5: Solve for x
   x = 3,151,670,890.93/50,764.42
6. Step 6: Final answer
   x = 62,084.25