Finding the Fourth Proportional to 12,684,885.38, 17,505,141.94 and 6,883,667.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,684,885.38 : 17,505,141.94 = 6,883,667.12 : x
2. Step 2: Convert to fraction form
   12,684,885.38/17,505,141.94 = 6,883,667.12/x
3. Step 3: Cross multiply
   12,684,885.38x = 17,505,141.94 × 6,883,667.12
4. Step 4: Simplify right side
   12,684,885.38x = 120,499,569,924,389.89
5. Step 5: Solve for x
   x = 120,499,569,924,389.89/12,684,885.38
6. Step 6: Final answer
   x = 9,499,460.68