Finding the Fourth Proportional to 139,985.35, 209,977.97 and 34,804.32

Step by Step Solution

1. Step 1: Write the proportion equation
   139,985.35 : 209,977.97 = 34,804.32 : x
2. Step 2: Convert to fraction form
   139,985.35/209,977.97 = 34,804.32/x
3. Step 3: Cross multiply
   139,985.35x = 209,977.97 × 34,804.32
4. Step 4: Simplify right side
   139,985.35x = 7,308,140,581.01
5. Step 5: Solve for x
   x = 7,308,140,581.01/139,985.35
6. Step 6: Final answer
   x = 52,206.47