Finding the Fourth Proportional to 6,142,980.42, 8,477,302.86 and 3,389,665.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,142,980.42 : 8,477,302.86 = 3,389,665.68 : x
2. Step 2: Convert to fraction form
   6,142,980.42/8,477,302.86 = 3,389,665.68/x
3. Step 3: Cross multiply
   6,142,980.42x = 8,477,302.86 × 3,389,665.68
4. Step 4: Simplify right side
   6,142,980.42x = 28,735,222,563,507.84
5. Step 5: Solve for x
   x = 28,735,222,563,507.84/6,142,980.42
6. Step 6: Final answer
   x = 4,677,733.05