Finding the Fourth Proportional to 52,327,550.63, 78,485,336.86 and 13,992,054.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,327,550.63 : 78,485,336.86 = 13,992,054.09 : x
2. Step 2: Convert to fraction form
   52,327,550.63/78,485,336.86 = 13,992,054.09/x
3. Step 3: Cross multiply
   52,327,550.63x = 78,485,336.86 × 13,992,054.09
4. Step 4: Simplify right side
   52,327,550.63x = 1,098,171,078,616,990.75
5. Step 5: Solve for x
   x = 1,098,171,078,616,990.75/52,327,550.63
6. Step 6: Final answer
   x = 20,986,479.69