Finding the Fourth Proportional to 49,072,182.25, 73,608,263.60 and 13,170,390.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,072,182.25 : 73,608,263.60 = 13,170,390.25 : x
2. Step 2: Convert to fraction form
   49,072,182.25/73,608,263.60 = 13,170,390.25/x
3. Step 3: Cross multiply
   49,072,182.25x = 73,608,263.60 × 13,170,390.25
4. Step 4: Simplify right side
   49,072,182.25x = 969,449,557,404,427.50
5. Step 5: Solve for x
   x = 969,449,557,404,427.50/49,072,182.25
6. Step 6: Final answer
   x = 19,755,582.75