Finding the Fourth Proportional to 8,315,381.35, 12,470,906.89 and 3,520,602.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,315,381.35 : 12,470,906.89 = 3,520,602.55 : x
2. Step 2: Convert to fraction form
   8,315,381.35/12,470,906.89 = 3,520,602.55/x
3. Step 3: Cross multiply
   8,315,381.35x = 12,470,906.89 × 3,520,602.55
4. Step 4: Simplify right side
   8,315,381.35x = 43,905,106,517,789.02
5. Step 5: Solve for x
   x = 43,905,106,517,789.02/8,315,381.35
6. Step 6: Final answer
   x = 5,279,987.13