Finding the Fourth Proportional to 9,298,133.10, 12,819,096.78 and 7,638,044.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,298,133.10 : 12,819,096.78 = 7,638,044.22 : x
2. Step 2: Convert to fraction form
   9,298,133.10/12,819,096.78 = 7,638,044.22/x
3. Step 3: Cross multiply
   9,298,133.10x = 12,819,096.78 × 7,638,044.22
4. Step 4: Simplify right side
   9,298,133.10x = 97,912,828,066,099.61
5. Step 5: Solve for x
   x = 97,912,828,066,099.61/9,298,133.10
6. Step 6: Final answer
   x = 10,530,374.97