Finding the Fourth Proportional to 52,899.98, 72,968.73 and 36,978.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,899.98 : 72,968.73 = 36,978.62 : x
2. Step 2: Convert to fraction form
   52,899.98/72,968.73 = 36,978.62/x
3. Step 3: Cross multiply
   52,899.98x = 72,968.73 × 36,978.62
4. Step 4: Simplify right side
   52,899.98x = 2,698,282,938.55
5. Step 5: Solve for x
   x = 2,698,282,938.55/52,899.98
6. Step 6: Final answer
   x = 51,007.26