Finding the Fourth Proportional to 139,210.45, 208,546.85 and 83,095.27

Step by Step Solution

1. Step 1: Write the proportion equation
   139,210.45 : 208,546.85 = 83,095.27 : x
2. Step 2: Convert to fraction form
   139,210.45/208,546.85 = 83,095.27/x
3. Step 3: Cross multiply
   139,210.45x = 208,546.85 × 83,095.27
4. Step 4: Simplify right side
   139,210.45x = 17,329,256,494.77
5. Step 5: Solve for x
   x = 17,329,256,494.77/139,210.45
6. Step 6: Final answer
   x = 124,482.44