Finding the Fourth Proportional to 37,499,219.49, 51,750,932.18 and 20,978,358.51

Step by Step Solution

1. Step 1: Write the proportion equation
   37,499,219.49 : 51,750,932.18 = 20,978,358.51 : x
2. Step 2: Convert to fraction form
   37,499,219.49/51,750,932.18 = 20,978,358.51/x
3. Step 3: Cross multiply
   37,499,219.49x = 51,750,932.18 × 20,978,358.51
4. Step 4: Simplify right side
   37,499,219.49x = 1,085,649,608,498,735.88
5. Step 5: Solve for x
   x = 1,085,649,608,498,735.88/37,499,219.49
6. Step 6: Final answer
   x = 28,951,258.81