Finding the Fourth Proportional to 11,614,066.88, 17,421,041.97 and 2,978,128.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,614,066.88 : 17,421,041.97 = 2,978,128.76 : x
2. Step 2: Convert to fraction form
   11,614,066.88/17,421,041.97 = 2,978,128.76/x
3. Step 3: Cross multiply
   11,614,066.88x = 17,421,041.97 × 2,978,128.76
4. Step 4: Simplify right side
   11,614,066.88x = 51,882,106,032,918.84
5. Step 5: Solve for x
   x = 51,882,106,032,918.84/11,614,066.88
6. Step 6: Final answer
   x = 4,467,178.17