Finding the Fourth Proportional to 30,962.17, 42,737.43 and 19,784.17

Step by Step Solution

1. Step 1: Write the proportion equation
   30,962.17 : 42,737.43 = 19,784.17 : x
2. Step 2: Convert to fraction form
   30,962.17/42,737.43 = 19,784.17/x
3. Step 3: Cross multiply
   30,962.17x = 42,737.43 × 19,784.17
4. Step 4: Simplify right side
   30,962.17x = 845,524,580.48
5. Step 5: Solve for x
   x = 845,524,580.48/30,962.17
6. Step 6: Final answer
   x = 27,308.31