Finding the Fourth Proportional to 37,876.24, 52,269.40 and 21,970.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,876.24 : 52,269.40 = 21,970.12 : x
2. Step 2: Convert to fraction form
   37,876.24/52,269.40 = 21,970.12/x
3. Step 3: Cross multiply
   37,876.24x = 52,269.40 × 21,970.12
4. Step 4: Simplify right side
   37,876.24x = 1,148,364,990.33
5. Step 5: Solve for x
   x = 1,148,364,990.33/37,876.24
6. Step 6: Final answer
   x = 30,318.88