Finding the Fourth Proportional to 36,960,308.37, 55,401,367.30 and 13,921,274.25

Step by Step Solution

1. Step 1: Write the proportion equation
   36,960,308.37 : 55,401,367.30 = 13,921,274.25 : x
2. Step 2: Convert to fraction form
   36,960,308.37/55,401,367.30 = 13,921,274.25/x
3. Step 3: Cross multiply
   36,960,308.37x = 55,401,367.30 × 13,921,274.25
4. Step 4: Simplify right side
   36,960,308.37x = 771,257,627,973,478.88
5. Step 5: Solve for x
   x = 771,257,627,973,478.88/36,960,308.37
6. Step 6: Final answer
   x = 20,867,185.96