Finding the Fourth Proportional to 71,537, 107,307.52 and 18,946.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,537 : 107,307.52 = 18,946.52 : x
2. Step 2: Convert to fraction form
   71,537/107,307.52 = 18,946.52/x
3. Step 3: Cross multiply
   71,537x = 107,307.52 × 18,946.52
4. Step 4: Simplify right side
   71,537x = 2,033,104,073.83
5. Step 5: Solve for x
   x = 2,033,104,073.83/71,537
6. Step 6: Final answer
   x = 28,420.31