Finding the Fourth Proportional to 49,838.42, 68,782.50 and 30,714.32

Step by Step Solution

1. Step 1: Write the proportion equation
   49,838.42 : 68,782.50 = 30,714.32 : x
2. Step 2: Convert to fraction form
   49,838.42/68,782.50 = 30,714.32/x
3. Step 3: Cross multiply
   49,838.42x = 68,782.50 × 30,714.32
4. Step 4: Simplify right side
   49,838.42x = 2,112,607,715.40
5. Step 5: Solve for x
   x = 2,112,607,715.40/49,838.42
6. Step 6: Final answer
   x = 42,389.14