Finding the Fourth Proportional to 6,321,108, 8,723,152.17 and 3,420,498.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,321,108 : 8,723,152.17 = 3,420,498.90 : x
2. Step 2: Convert to fraction form
   6,321,108/8,723,152.17 = 3,420,498.90/x
3. Step 3: Cross multiply
   6,321,108x = 8,723,152.17 × 3,420,498.90
4. Step 4: Simplify right side
   6,321,108x = 29,837,532,402,017.61
5. Step 5: Solve for x
   x = 29,837,532,402,017.61/6,321,108
6. Step 6: Final answer
   x = 4,720,301.00