Finding the Fourth Proportional to 11,720,290.84, 17,576,820.42 and 4,145,514.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,720,290.84 : 17,576,820.42 = 4,145,514.28 : x
2. Step 2: Convert to fraction form
   11,720,290.84/17,576,820.42 = 4,145,514.28/x
3. Step 3: Cross multiply
   11,720,290.84x = 17,576,820.42 × 4,145,514.28
4. Step 4: Simplify right side
   11,720,290.84x = 72,864,960,048,105.59
5. Step 5: Solve for x
   x = 72,864,960,048,105.59/11,720,290.84
6. Step 6: Final answer
   x = 6,216,992.48