Finding the Fourth Proportional to 37,406.76, 56,099.12 and 30,816.60

Step by Step Solution

1. Step 1: Write the proportion equation
   37,406.76 : 56,099.12 = 30,816.60 : x
2. Step 2: Convert to fraction form
   37,406.76/56,099.12 = 30,816.60/x
3. Step 3: Cross multiply
   37,406.76x = 56,099.12 × 30,816.60
4. Step 4: Simplify right side
   37,406.76x = 1,728,784,141.39
5. Step 5: Solve for x
   x = 1,728,784,141.39/37,406.76
6. Step 6: Final answer
   x = 46,215.82