Finding the Fourth Proportional to 12,919,496.99, 19,379,245.52 and 3,820,886.57

Step by Step Solution

1. Step 1: Write the proportion equation
   12,919,496.99 : 19,379,245.52 = 3,820,886.57 : x
2. Step 2: Convert to fraction form
   12,919,496.99/19,379,245.52 = 3,820,886.57/x
3. Step 3: Cross multiply
   12,919,496.99x = 19,379,245.52 × 3,820,886.57
4. Step 4: Simplify right side
   12,919,496.99x = 74,045,899,002,101
5. Step 5: Solve for x
   x = 74,045,899,002,101/12,919,496.99
6. Step 6: Final answer
   x = 5,731,329.87