Finding the Fourth Proportional to 151,973, 209,722.82 and 84,905

Step by Step Solution

1. Step 1: Write the proportion equation
   151,973 : 209,722.82 = 84,905 : x
2. Step 2: Convert to fraction form
   151,973/209,722.82 = 84,905/x
3. Step 3: Cross multiply
   151,973x = 209,722.82 × 84,905
4. Step 4: Simplify right side
   151,973x = 17,806,516,032.10
5. Step 5: Solve for x
   x = 17,806,516,032.10/151,973
6. Step 6: Final answer
   x = 117,168.94