Finding the Fourth Proportional to 28,084,578.51, 42,123,849.69 and 19,044,701.49

Step by Step Solution

1. Step 1: Write the proportion equation
   28,084,578.51 : 42,123,849.69 = 19,044,701.49 : x
2. Step 2: Convert to fraction form
   28,084,578.51/42,123,849.69 = 19,044,701.49/x
3. Step 3: Cross multiply
   28,084,578.51x = 42,123,849.69 × 19,044,701.49
4. Step 4: Simplify right side
   28,084,578.51x = 802,236,142,955,678.88
5. Step 5: Solve for x
   x = 802,236,142,955,678.88/28,084,578.51
6. Step 6: Final answer
   x = 28,565,005.62