Finding the Fourth Proportional to 13,141,039.58, 18,134,443.59 and 7,339,903.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,141,039.58 : 18,134,443.59 = 7,339,903.82 : x
2. Step 2: Convert to fraction form
   13,141,039.58/18,134,443.59 = 7,339,903.82/x
3. Step 3: Cross multiply
   13,141,039.58x = 18,134,443.59 × 7,339,903.82
4. Step 4: Simplify right side
   13,141,039.58x = 133,105,071,779,815.52
5. Step 5: Solve for x
   x = 133,105,071,779,815.52/13,141,039.58
6. Step 6: Final answer
   x = 10,128,960.57