Finding the Fourth Proportional to 139,826.88, 209,624.22 and 55,535.04

Step by Step Solution

1. Step 1: Write the proportion equation
   139,826.88 : 209,624.22 = 55,535.04 : x
2. Step 2: Convert to fraction form
   139,826.88/209,624.22 = 55,535.04/x
3. Step 3: Cross multiply
   139,826.88x = 209,624.22 × 55,535.04
4. Step 4: Simplify right side
   139,826.88x = 11,641,489,442.67
5. Step 5: Solve for x
   x = 11,641,489,442.67/139,826.88
6. Step 6: Final answer
   x = 83,256.45