Finding the Fourth Proportional to 151,058, 208,460.04 and 83,990

Step by Step Solution

1. Step 1: Write the proportion equation
   151,058 : 208,460.04 = 83,990 : x
2. Step 2: Convert to fraction form
   151,058/208,460.04 = 83,990/x
3. Step 3: Cross multiply
   151,058x = 208,460.04 × 83,990
4. Step 4: Simplify right side
   151,058x = 17,508,558,759.60
5. Step 5: Solve for x
   x = 17,508,558,759.60/151,058
6. Step 6: Final answer
   x = 115,906.20