Finding the Fourth Proportional to 50,784.84, 70,050.42 and 31,889.16

Step by Step Solution

1. Step 1: Write the proportion equation
   50,784.84 : 70,050.42 = 31,889.16 : x
2. Step 2: Convert to fraction form
   50,784.84/70,050.42 = 31,889.16/x
3. Step 3: Cross multiply
   50,784.84x = 70,050.42 × 31,889.16
4. Step 4: Simplify right side
   50,784.84x = 2,233,849,051.45
5. Step 5: Solve for x
   x = 2,233,849,051.45/50,784.84
6. Step 6: Final answer
   x = 43,986.53