Finding the Fourth Proportional to 50,055.68, 69,089.28 and 31,214.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,055.68 : 69,089.28 = 31,214.72 : x
2. Step 2: Convert to fraction form
   50,055.68/69,089.28 = 31,214.72/x
3. Step 3: Cross multiply
   50,055.68x = 69,089.28 × 31,214.72
4. Step 4: Simplify right side
   50,055.68x = 2,156,602,530.20
5. Step 5: Solve for x
   x = 2,156,602,530.20/50,055.68
6. Step 6: Final answer
   x = 43,084.07