Finding the Fourth Proportional to 11,172,520.98, 16,767,098.61 and 8,300,574.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,172,520.98 : 16,767,098.61 = 8,300,574.54 : x
2. Step 2: Convert to fraction form
   11,172,520.98/16,767,098.61 = 8,300,574.54/x
3. Step 3: Cross multiply
   11,172,520.98x = 16,767,098.61 × 8,300,574.54
4. Step 4: Simplify right side
   11,172,520.98x = 139,176,551,831,835.39
5. Step 5: Solve for x
   x = 139,176,551,831,835.39/11,172,520.98
6. Step 6: Final answer
   x = 12,457,040.99