Finding the Fourth Proportional to 37,957.55, 52,381.69 and 20,961.32

Step by Step Solution

1. Step 1: Write the proportion equation
   37,957.55 : 52,381.69 = 20,961.32 : x
2. Step 2: Convert to fraction form
   37,957.55/52,381.69 = 20,961.32/x
3. Step 3: Cross multiply
   37,957.55x = 52,381.69 × 20,961.32
4. Step 4: Simplify right side
   37,957.55x = 1,097,989,051.92
5. Step 5: Solve for x
   x = 1,097,989,051.92/37,957.55
6. Step 6: Final answer
   x = 28,926.77