Finding the Fourth Proportional to 12,402,564.12, 18,603,804.50 and 3,180,526.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402,564.12 : 18,603,804.50 = 3,180,526.41 : x
2. Step 2: Convert to fraction form
   12,402,564.12/18,603,804.50 = 3,180,526.41/x
3. Step 3: Cross multiply
   12,402,564.12x = 18,603,804.50 × 3,180,526.41
4. Step 4: Simplify right side
   12,402,564.12x = 59,169,891,522,824.22
5. Step 5: Solve for x
   x = 59,169,891,522,824.22/12,402,564.12
6. Step 6: Final answer
   x = 4,770,778.93