Finding the Fourth Proportional to 143,015.02, 214,522.59 and 49,520.77

Step by Step Solution

1. Step 1: Write the proportion equation
   143,015.02 : 214,522.59 = 49,520.77 : x
2. Step 2: Convert to fraction form
   143,015.02/214,522.59 = 49,520.77/x
3. Step 3: Cross multiply
   143,015.02x = 214,522.59 × 49,520.77
4. Step 4: Simplify right side
   143,015.02x = 10,623,323,839.19
5. Step 5: Solve for x
   x = 10,623,323,839.19/143,015.02
6. Step 6: Final answer
   x = 74,281.18