Finding the Fourth Proportional to 71,050.64, 98,050.69 and 39,219.53

Step by Step Solution

1. Step 1: Write the proportion equation
   71,050.64 : 98,050.69 = 39,219.53 : x
2. Step 2: Convert to fraction form
   71,050.64/98,050.69 = 39,219.53/x
3. Step 3: Cross multiply
   71,050.64x = 98,050.69 × 39,219.53
4. Step 4: Simplify right side
   71,050.64x = 3,845,501,781.88
5. Step 5: Solve for x
   x = 3,845,501,781.88/71,050.64
6. Step 6: Final answer
   x = 54,123.39