Finding the Fourth Proportional to 37,302.32, 55,900.74 and 20,669.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,302.32 : 55,900.74 = 20,669.96 : x
2. Step 2: Convert to fraction form
   37,302.32/55,900.74 = 20,669.96/x
3. Step 3: Cross multiply
   37,302.32x = 55,900.74 × 20,669.96
4. Step 4: Simplify right side
   37,302.32x = 1,155,466,059.77
5. Step 5: Solve for x
   x = 1,155,466,059.77/37,302.32
6. Step 6: Final answer
   x = 30,975.72