Finding the Fourth Proportional to 12,286,730.76, 16,959,061.31 and 7,131,753.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,286,730.76 : 16,959,061.31 = 7,131,753.06 : x
2. Step 2: Convert to fraction form
   12,286,730.76/16,959,061.31 = 7,131,753.06/x
3. Step 3: Cross multiply
   12,286,730.76x = 16,959,061.31 × 7,131,753.06
4. Step 4: Simplify right side
   12,286,730.76x = 120,947,837,356,661.33
5. Step 5: Solve for x
   x = 120,947,837,356,661.33/12,286,730.76
6. Step 6: Final answer
   x = 9,843,776.98