Finding the Fourth Proportional to 13,682,978.33, 18,884,513.27 and 7,880,630.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,682,978.33 : 18,884,513.27 = 7,880,630.81 : x
2. Step 2: Convert to fraction form
   13,682,978.33/18,884,513.27 = 7,880,630.81/x
3. Step 3: Cross multiply
   13,682,978.33x = 18,884,513.27 × 7,880,630.81
4. Step 4: Simplify right side
   13,682,978.33x = 148,821,877,032,694.88
5. Step 5: Solve for x
   x = 148,821,877,032,694.88/13,682,978.33
6. Step 6: Final answer
   x = 10,876,424.23