Finding the Fourth Proportional to 37,598.68, 56,395.95 and 12,636.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,598.68 : 56,395.95 = 12,636.15 : x
2. Step 2: Convert to fraction form
   37,598.68/56,395.95 = 12,636.15/x
3. Step 3: Cross multiply
   37,598.68x = 56,395.95 × 12,636.15
4. Step 4: Simplify right side
   37,598.68x = 712,627,741.95
5. Step 5: Solve for x
   x = 712,627,741.95/37,598.68
6. Step 6: Final answer
   x = 18,953.53