Finding the Fourth Proportional to 13,113,983, 18,097,296.54 and 7,681,475

Step by Step Solution

1. Step 1: Write the proportion equation
   13,113,983 : 18,097,296.54 = 7,681,475 : x
2. Step 2: Convert to fraction form
   13,113,983/18,097,296.54 = 7,681,475/x
3. Step 3: Cross multiply
   13,113,983x = 18,097,296.54 × 7,681,475
4. Step 4: Simplify right side
   13,113,983x = 139,013,930,939,596.50
5. Step 5: Solve for x
   x = 139,013,930,939,596.50/13,113,983
6. Step 6: Final answer
   x = 10,600,435.50