Finding the Fourth Proportional to 71,050.68, 98,050.75 and 39,219.59

Step by Step Solution

1. Step 1: Write the proportion equation
   71,050.68 : 98,050.75 = 39,219.59 : x
2. Step 2: Convert to fraction form
   71,050.68/98,050.75 = 39,219.59/x
3. Step 3: Cross multiply
   71,050.68x = 98,050.75 × 39,219.59
4. Step 4: Simplify right side
   71,050.68x = 3,845,510,361.27
5. Step 5: Solve for x
   x = 3,845,510,361.27/71,050.68
6. Step 6: Final answer
   x = 54,123.48