Finding the Fourth Proportional to 28,169,783.82, 42,260,737.98 and 8,738,622.54

Step by Step Solution

1. Step 1: Write the proportion equation
   28,169,783.82 : 42,260,737.98 = 8,738,622.54 : x
2. Step 2: Convert to fraction form
   28,169,783.82/42,260,737.98 = 8,738,622.54/x
3. Step 3: Cross multiply
   28,169,783.82x = 42,260,737.98 × 8,738,622.54
4. Step 4: Simplify right side
   28,169,783.82x = 369,300,637,469,062
5. Step 5: Solve for x
   x = 369,300,637,469,062/28,169,783.82
6. Step 6: Final answer
   x = 13,109,814.40