Finding the Fourth Proportional to 10,356,100.29, 14,297,548.83 and 9,207,006.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356,100.29 : 14,297,548.83 = 9,207,006.75 : x
2. Step 2: Convert to fraction form
   10,356,100.29/14,297,548.83 = 9,207,006.75/x
3. Step 3: Cross multiply
   10,356,100.29x = 14,297,548.83 × 9,207,006.75
4. Step 4: Simplify right side
   10,356,100.29x = 131,637,628,586,264.61
5. Step 5: Solve for x
   x = 131,637,628,586,264.61/10,356,100.29
6. Step 6: Final answer
   x = 12,711,119.52