Finding the Fourth Proportional to 139,987.04, 209,981.37 and 34,806

Step by Step Solution

1. Step 1: Write the proportion equation
   139,987.04 : 209,981.37 = 34,806 : x
2. Step 2: Convert to fraction form
   139,987.04/209,981.37 = 34,806/x
3. Step 3: Cross multiply
   139,987.04x = 209,981.37 × 34,806
4. Step 4: Simplify right side
   139,987.04x = 7,308,611,564.22
5. Step 5: Solve for x
   x = 7,308,611,564.22/139,987.04
6. Step 6: Final answer
   x = 52,209.20