Finding the Fourth Proportional to 37,978.52, 52,421.46 and 22,070.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,978.52 : 52,421.46 = 22,070.12 : x
2. Step 2: Convert to fraction form
   37,978.52/52,421.46 = 22,070.12/x
3. Step 3: Cross multiply
   37,978.52x = 52,421.46 × 22,070.12
4. Step 4: Simplify right side
   37,978.52x = 1,156,947,912.78
5. Step 5: Solve for x
   x = 1,156,947,912.78/37,978.52
6. Step 6: Final answer
   x = 30,463.22