Finding the Fourth Proportional to 7,272,688, 10,910,606.72 and 2,784,964.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,272,688 : 10,910,606.72 = 2,784,964.16 : x
2. Step 2: Convert to fraction form
   7,272,688/10,910,606.72 = 2,784,964.16/x
3. Step 3: Cross multiply
   7,272,688x = 10,910,606.72 × 2,784,964.16
4. Step 4: Simplify right side
   7,272,688x = 30,385,648,679,055.16
5. Step 5: Solve for x
   x = 30,385,648,679,055.16/7,272,688
6. Step 6: Final answer
   x = 4,178,049.25