Finding the Fourth Proportional to 3,919,362.86, 5,876,756.15 and 1,520,404.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,919,362.86 : 5,876,756.15 = 1,520,404.29 : x
2. Step 2: Convert to fraction form
   3,919,362.86/5,876,756.15 = 1,520,404.29/x
3. Step 3: Cross multiply
   3,919,362.86x = 5,876,756.15 × 1,520,404.29
4. Step 4: Simplify right side
   3,919,362.86x = 8,935,045,254,141.86
5. Step 5: Solve for x
   x = 8,935,045,254,141.86/3,919,362.86
6. Step 6: Final answer
   x = 2,279,718.81