Finding the Fourth Proportional to 36,960,109.85, 55,401,069.53 and 13,921,076.10

Step by Step Solution

1. Step 1: Write the proportion equation
   36,960,109.85 : 55,401,069.53 = 13,921,076.10 : x
2. Step 2: Convert to fraction form
   36,960,109.85/55,401,069.53 = 13,921,076.10/x
3. Step 3: Cross multiply
   36,960,109.85x = 55,401,069.53 × 13,921,076.10
4. Step 4: Simplify right side
   36,960,109.85x = 771,242,504,948,521.25
5. Step 5: Solve for x
   x = 771,242,504,948,521.25/36,960,109.85
6. Step 6: Final answer
   x = 20,866,888.87