Finding the Fourth Proportional to 364,488.81, 546,712.78 and 111,768.61

Step by Step Solution

1. Step 1: Write the proportion equation
   364,488.81 : 546,712.78 = 111,768.61 : x
2. Step 2: Convert to fraction form
   364,488.81/546,712.78 = 111,768.61/x
3. Step 3: Cross multiply
   364,488.81x = 546,712.78 × 111,768.61
4. Step 4: Simplify right side
   364,488.81x = 61,105,325,977.38
5. Step 5: Solve for x
   x = 61,105,325,977.38/364,488.81
6. Step 6: Final answer
   x = 167,646.64