Finding the Fourth Proportional to 11,689,063.02, 17,447,995.96 and 10,308,507.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,689,063.02 : 17,447,995.96 = 10,308,507.12 : x
2. Step 2: Convert to fraction form
   11,689,063.02/17,447,995.96 = 10,308,507.12/x
3. Step 3: Cross multiply
   11,689,063.02x = 17,447,995.96 × 10,308,507.12
4. Step 4: Simplify right side
   11,689,063.02x = 179,862,790,557,619.94
5. Step 5: Solve for x
   x = 179,862,790,557,619.94/11,689,063.02
6. Step 6: Final answer
   x = 15,387,271.87