Finding the Fourth Proportional to 139,714.02, 209,573.00 and 39,874.23

Step by Step Solution

1. Step 1: Write the proportion equation
   139,714.02 : 209,573.00 = 39,874.23 : x
2. Step 2: Convert to fraction form
   139,714.02/209,573.00 = 39,874.23/x
3. Step 3: Cross multiply
   139,714.02x = 209,573.00 × 39,874.23
4. Step 4: Simplify right side
   139,714.02x = 8,356,561,804.42
5. Step 5: Solve for x
   x = 8,356,561,804.42/139,714.02
6. Step 6: Final answer
   x = 59,811.91