Finding the Fourth Proportional to 359,666.72, 539,499.90 and 106,946.12

Step by Step Solution

1. Step 1: Write the proportion equation
   359,666.72 : 539,499.90 = 106,946.12 : x
2. Step 2: Convert to fraction form
   359,666.72/539,499.90 = 106,946.12/x
3. Step 3: Cross multiply
   359,666.72x = 539,499.90 × 106,946.12
4. Step 4: Simplify right side
   359,666.72x = 57,697,421,045.39
5. Step 5: Solve for x
   x = 57,697,421,045.39/359,666.72
6. Step 6: Final answer
   x = 160,419.13