Finding the Fourth Proportional to 60,431.34, 90,633.33 and 22,978.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,431.34 : 90,633.33 = 22,978.05 : x
2. Step 2: Convert to fraction form
   60,431.34/90,633.33 = 22,978.05/x
3. Step 3: Cross multiply
   60,431.34x = 90,633.33 × 22,978.05
4. Step 4: Simplify right side
   60,431.34x = 2,082,577,188.41
5. Step 5: Solve for x
   x = 2,082,577,188.41/60,431.34
6. Step 6: Final answer
   x = 34,461.87