Finding the Fourth Proportional to 28,300,788.12, 42,407,881.23 and 19,044,481.62

Step by Step Solution

1. Step 1: Write the proportion equation
   28,300,788.12 : 42,407,881.23 = 19,044,481.62 : x
2. Step 2: Convert to fraction form
   28,300,788.12/42,407,881.23 = 19,044,481.62/x
3. Step 3: Cross multiply
   28,300,788.12x = 42,407,881.23 × 19,044,481.62
4. Step 4: Simplify right side
   28,300,788.12x = 807,636,114,627,878
5. Step 5: Solve for x
   x = 807,636,114,627,878/28,300,788.12
6. Step 6: Final answer
   x = 28,537,583.87