Finding the Fourth Proportional to 37,142.62, 55,722.94 and 21,357.74

Step by Step Solution

1. Step 1: Write the proportion equation
   37,142.62 : 55,722.94 = 21,357.74 : x
2. Step 2: Convert to fraction form
   37,142.62/55,722.94 = 21,357.74/x
3. Step 3: Cross multiply
   37,142.62x = 55,722.94 × 21,357.74
4. Step 4: Simplify right side
   37,142.62x = 1,190,116,150.47
5. Step 5: Solve for x
   x = 1,190,116,150.47/37,142.62
6. Step 6: Final answer
   x = 32,041.80