Finding the Fourth Proportional to 13,348,036.71, 18,420,786.72 and 7,546,472.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,348,036.71 : 18,420,786.72 = 7,546,472.46 : x
2. Step 2: Convert to fraction form
   13,348,036.71/18,420,786.72 = 7,546,472.46/x
3. Step 3: Cross multiply
   13,348,036.71x = 18,420,786.72 × 7,546,472.46
4. Step 4: Simplify right side
   13,348,036.71x = 139,011,959,674,013.72
5. Step 5: Solve for x
   x = 139,011,959,674,013.72/13,348,036.71
6. Step 6: Final answer
   x = 10,414,412.45