Finding the Fourth Proportional to 36,139,886.94, 49,873,623.56 and 19,619,998.31

Step by Step Solution

1. Step 1: Write the proportion equation
   36,139,886.94 : 49,873,623.56 = 19,619,998.31 : x
2. Step 2: Convert to fraction form
   36,139,886.94/49,873,623.56 = 19,619,998.31/x
3. Step 3: Cross multiply
   36,139,886.94x = 49,873,623.56 × 19,619,998.31
4. Step 4: Simplify right side
   36,139,886.94x = 978,520,409,613,308
5. Step 5: Solve for x
   x = 978,520,409,613,308/36,139,886.94
6. Step 6: Final answer
   x = 27,075,912.31