Finding the Fourth Proportional to 364,179.34, 546,249.56 and 139,647.34

Step by Step Solution

1. Step 1: Write the proportion equation
   364,179.34 : 546,249.56 = 139,647.34 : x
2. Step 2: Convert to fraction form
   364,179.34/546,249.56 = 139,647.34/x
3. Step 3: Cross multiply
   364,179.34x = 546,249.56 × 139,647.34
4. Step 4: Simplify right side
   364,179.34x = 76,282,298,030.17
5. Step 5: Solve for x
   x = 76,282,298,030.17/364,179.34
6. Step 6: Final answer
   x = 209,463.55