Finding the Fourth Proportional to 9,171,672, 12,669,857.68 and 7,348,238.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,171,672 : 12,669,857.68 = 7,348,238.88 : x
2. Step 2: Convert to fraction form
   9,171,672/12,669,857.68 = 7,348,238.88/x
3. Step 3: Cross multiply
   9,171,672x = 12,669,857.68 × 7,348,238.88
4. Step 4: Simplify right side
   9,171,672x = 93,101,140,808,242.59
5. Step 5: Solve for x
   x = 93,101,140,808,242.59/9,171,672
6. Step 6: Final answer
   x = 10,150,945.30