Finding the Fourth Proportional to 12,209,315.82, 18,314,364.72 and 6,140,735.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,209,315.82 : 18,314,364.72 = 6,140,735.34 : x
2. Step 2: Convert to fraction form
   12,209,315.82/18,314,364.72 = 6,140,735.34/x
3. Step 3: Cross multiply
   12,209,315.82x = 18,314,364.72 × 6,140,735.34
4. Step 4: Simplify right side
   12,209,315.82x = 112,463,666,665,753.19
5. Step 5: Solve for x
   x = 112,463,666,665,753.19/12,209,315.82
6. Step 6: Final answer
   x = 9,211,299.66