Finding the Fourth Proportional to 37,730, 56,620.92 and 13,106

Step by Step Solution

1. Step 1: Write the proportion equation
   37,730 : 56,620.92 = 13,106 : x
2. Step 2: Convert to fraction form
   37,730/56,620.92 = 13,106/x
3. Step 3: Cross multiply
   37,730x = 56,620.92 × 13,106
4. Step 4: Simplify right side
   37,730x = 742,073,777.52
5. Step 5: Solve for x
   x = 742,073,777.52/37,730
6. Step 6: Final answer
   x = 19,668.00