Finding the Fourth Proportional to 37,417.32, 56,107.20 and 12,448.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,417.32 : 56,107.20 = 12,448.56 : x
2. Step 2: Convert to fraction form
   37,417.32/56,107.20 = 12,448.56/x
3. Step 3: Cross multiply
   37,417.32x = 56,107.20 × 12,448.56
4. Step 4: Simplify right side
   37,417.32x = 698,453,845.63
5. Step 5: Solve for x
   x = 698,453,845.63/37,417.32
6. Step 6: Final answer
   x = 18,666.59