Finding the Fourth Proportional to 16,956,559.92, 23,405,321.52 and 13,478,070.99

Step by Step Solution

1. Step 1: Write the proportion equation
   16,956,559.92 : 23,405,321.52 = 13,478,070.99 : x
2. Step 2: Convert to fraction form
   16,956,559.92/23,405,321.52 = 13,478,070.99/x
3. Step 3: Cross multiply
   16,956,559.92x = 23,405,321.52 × 13,478,070.99
4. Step 4: Simplify right side
   16,956,559.92x = 315,458,584,990,334.69
5. Step 5: Solve for x
   x = 315,458,584,990,334.69/16,956,559.92
6. Step 6: Final answer
   x = 18,603,925.94