Finding the Fourth Proportional to 13,141,039.33, 18,134,443.24 and 7,339,903.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,141,039.33 : 18,134,443.24 = 7,339,903.57 : x
2. Step 2: Convert to fraction form
   13,141,039.33/18,134,443.24 = 7,339,903.57/x
3. Step 3: Cross multiply
   13,141,039.33x = 18,134,443.24 × 7,339,903.57
4. Step 4: Simplify right side
   13,141,039.33x = 133,105,064,677,238.36
5. Step 5: Solve for x
   x = 133,105,064,677,238.36/13,141,039.33
6. Step 6: Final answer
   x = 10,128,960.22