Finding the Fourth Proportional to 139,623.31, 209,365.77 and 49,652.52

Step by Step Solution

1. Step 1: Write the proportion equation
   139,623.31 : 209,365.77 = 49,652.52 : x
2. Step 2: Convert to fraction form
   139,623.31/209,365.77 = 49,652.52/x
3. Step 3: Cross multiply
   139,623.31x = 209,365.77 × 49,652.52
4. Step 4: Simplify right side
   139,623.31x = 10,395,538,082.24
5. Step 5: Solve for x
   x = 10,395,538,082.24/139,623.31
6. Step 6: Final answer
   x = 74,454.18