Finding the Fourth Proportional to 11,871,499.68, 17,808,540 and 3,782,574

Step by Step Solution

1. Step 1: Write the proportion equation
   11,871,499.68 : 17,808,540 = 3,782,574 : x
2. Step 2: Convert to fraction form
   11,871,499.68/17,808,540 = 3,782,574/x
3. Step 3: Cross multiply
   11,871,499.68x = 17,808,540 × 3,782,574
4. Step 4: Simplify right side
   11,871,499.68x = 67,362,120,381,960
5. Step 5: Solve for x
   x = 67,362,120,381,960/11,871,499.68
6. Step 6: Final answer
   x = 5,674,272.18