Finding the Fourth Proportional to 13,013,298.96, 19,403,605.94 and 12,655,767.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,013,298.96 : 19,403,605.94 = 12,655,767.32 : x
2. Step 2: Convert to fraction form
   13,013,298.96/19,403,605.94 = 12,655,767.32/x
3. Step 3: Cross multiply
   13,013,298.96x = 19,403,605.94 × 12,655,767.32
4. Step 4: Simplify right side
   13,013,298.96x = 245,567,521,945,609.91
5. Step 5: Solve for x
   x = 245,567,521,945,609.91/13,013,298.96
6. Step 6: Final answer
   x = 18,870,504.91