Finding the Fourth Proportional to 143,880.13, 215,839.89 and 49,084.86

Step by Step Solution

1. Step 1: Write the proportion equation
   143,880.13 : 215,839.89 = 49,084.86 : x
2. Step 2: Convert to fraction form
   143,880.13/215,839.89 = 49,084.86/x
3. Step 3: Cross multiply
   143,880.13x = 215,839.89 × 49,084.86
4. Step 4: Simplify right side
   143,880.13x = 10,594,470,985.42
5. Step 5: Solve for x
   x = 10,594,470,985.42/143,880.13
6. Step 6: Final answer
   x = 73,634.01