Finding the Fourth Proportional to 12,161,673.71, 18,238,756.69 and 3,526,410.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,161,673.71 : 18,238,756.69 = 3,526,410.67 : x
2. Step 2: Convert to fraction form
   12,161,673.71/18,238,756.69 = 3,526,410.67/x
3. Step 3: Cross multiply
   12,161,673.71x = 18,238,756.69 × 3,526,410.67
4. Step 4: Simplify right side
   12,161,673.71x = 64,317,346,215,070.62
5. Step 5: Solve for x
   x = 64,317,346,215,070.62/12,161,673.71
6. Step 6: Final answer
   x = 5,288,527.53