Finding the Fourth Proportional to 12,808,840.96, 17,676,399.82 and 7,007,719.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808,840.96 : 17,676,399.82 = 7,007,719.58 : x
2. Step 2: Convert to fraction form
   12,808,840.96/17,676,399.82 = 7,007,719.58/x
3. Step 3: Cross multiply
   12,808,840.96x = 17,676,399.82 × 7,007,719.58
4. Step 4: Simplify right side
   12,808,840.96x = 123,871,253,155,616.64
5. Step 5: Solve for x
   x = 123,871,253,155,616.64/12,808,840.96
6. Step 6: Final answer
   x = 9,670,762.05