Finding the Fourth Proportional to 13,130,648.58, 18,117,103.77 and 7,697,090.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,130,648.58 : 18,117,103.77 = 7,697,090.82 : x
2. Step 2: Convert to fraction form
   13,130,648.58/18,117,103.77 = 7,697,090.82/x
3. Step 3: Cross multiply
   13,130,648.58x = 18,117,103.77 × 7,697,090.82
4. Step 4: Simplify right side
   13,130,648.58x = 139,448,993,113,054.39
5. Step 5: Solve for x
   x = 139,448,993,113,054.39/13,130,648.58
6. Step 6: Final answer
   x = 10,620,114.63