Finding the Fourth Proportional to 143,307.72, 214,981.02 and 49,801.32

Step by Step Solution

1. Step 1: Write the proportion equation
   143,307.72 : 214,981.02 = 49,801.32 : x
2. Step 2: Convert to fraction form
   143,307.72/214,981.02 = 49,801.32/x
3. Step 3: Cross multiply
   143,307.72x = 214,981.02 × 49,801.32
4. Step 4: Simplify right side
   143,307.72x = 10,706,338,570.95
5. Step 5: Solve for x
   x = 10,706,338,570.95/143,307.72
6. Step 6: Final answer
   x = 74,708.74