Finding the Fourth Proportional to 67,981.40, 93,827.67 and 43,436.43

Step by Step Solution

1. Step 1: Write the proportion equation
   67,981.40 : 93,827.67 = 43,436.43 : x
2. Step 2: Convert to fraction form
   67,981.40/93,827.67 = 43,436.43/x
3. Step 3: Cross multiply
   67,981.40x = 93,827.67 × 43,436.43
4. Step 4: Simplify right side
   67,981.40x = 4,075,539,020.02
5. Step 5: Solve for x
   x = 4,075,539,020.02/67,981.40
6. Step 6: Final answer
   x = 59,950.80