Finding the Fourth Proportional to 139,536.96, 209,303.73 and 34,356.84

Step by Step Solution

1. Step 1: Write the proportion equation
   139,536.96 : 209,303.73 = 34,356.84 : x
2. Step 2: Convert to fraction form
   139,536.96/209,303.73 = 34,356.84/x
3. Step 3: Cross multiply
   139,536.96x = 209,303.73 × 34,356.84
4. Step 4: Simplify right side
   139,536.96x = 7,191,014,763.01
5. Step 5: Solve for x
   x = 7,191,014,763.01/139,536.96
6. Step 6: Final answer
   x = 51,534.84