Finding the Fourth Proportional to 20,262,128.94, 27,961,784.01 and 10,969,796.79

Step by Step Solution

1. Step 1: Write the proportion equation
   20,262,128.94 : 27,961,784.01 = 10,969,796.79 : x
2. Step 2: Convert to fraction form
   20,262,128.94/27,961,784.01 = 10,969,796.79/x
3. Step 3: Cross multiply
   20,262,128.94x = 27,961,784.01 × 10,969,796.79
4. Step 4: Simplify right side
   20,262,128.94x = 306,735,088,475,571.31
5. Step 5: Solve for x
   x = 306,735,088,475,571.31/20,262,128.94
6. Step 6: Final answer
   x = 15,138,344.51