Finding the Fourth Proportional to 37,407.06, 56,071.15 and 12,440.43

Step by Step Solution

1. Step 1: Write the proportion equation
   37,407.06 : 56,071.15 = 12,440.43 : x
2. Step 2: Convert to fraction form
   37,407.06/56,071.15 = 12,440.43/x
3. Step 3: Cross multiply
   37,407.06x = 56,071.15 × 12,440.43
4. Step 4: Simplify right side
   37,407.06x = 697,549,185.49
5. Step 5: Solve for x
   x = 697,549,185.49/37,407.06
6. Step 6: Final answer
   x = 18,647.53