Finding the Fourth Proportional to 17,898,858.14, 24,689,873.82 and 12,665,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,898,858.14 : 24,689,873.82 = 12,665,979.50 : x
2. Step 2: Convert to fraction form
   17,898,858.14/24,689,873.82 = 12,665,979.50/x
3. Step 3: Cross multiply
   17,898,858.14x = 24,689,873.82 × 12,665,979.50
4. Step 4: Simplify right side
   17,898,858.14x = 312,721,435,661,706.69
5. Step 5: Solve for x
   x = 312,721,435,661,706.69/17,898,858.14
6. Step 6: Final answer
   x = 17,471,585.80