Finding the Fourth Proportional to 37,360.40, 51,507.76 and 30,963

Step by Step Solution

1. Step 1: Write the proportion equation
   37,360.40 : 51,507.76 = 30,963 : x
2. Step 2: Convert to fraction form
   37,360.40/51,507.76 = 30,963/x
3. Step 3: Cross multiply
   37,360.40x = 51,507.76 × 30,963
4. Step 4: Simplify right side
   37,360.40x = 1,594,834,772.88
5. Step 5: Solve for x
   x = 1,594,834,772.88/37,360.40
6. Step 6: Final answer
   x = 42,687.84