Finding the Fourth Proportional to 12,839,770.69, 19,259,317.05 and 3,744,378.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,839,770.69 : 19,259,317.05 = 3,744,378.50 : x
2. Step 2: Convert to fraction form
   12,839,770.69/19,259,317.05 = 3,744,378.50/x
3. Step 3: Cross multiply
   12,839,770.69x = 19,259,317.05 × 3,744,378.50
4. Step 4: Simplify right side
   12,839,770.69x = 72,114,172,576,365.42
5. Step 5: Solve for x
   x = 72,114,172,576,365.42/12,839,770.69
6. Step 6: Final answer
   x = 5,616,468.89