Finding the Fourth Proportional to 139,276.35, 208,771.52 and 55,002.36

Step by Step Solution

1. Step 1: Write the proportion equation
   139,276.35 : 208,771.52 = 55,002.36 : x
2. Step 2: Convert to fraction form
   139,276.35/208,771.52 = 55,002.36/x
3. Step 3: Cross multiply
   139,276.35x = 208,771.52 × 55,002.36
4. Step 4: Simplify right side
   139,276.35x = 11,482,926,025.78
5. Step 5: Solve for x
   x = 11,482,926,025.78/139,276.35
6. Step 6: Final answer
   x = 82,447.06