Finding the Fourth Proportional to 25,305,436.08, 34,921,438.56 and 13,702,998.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,305,436.08 : 34,921,438.56 = 13,702,998.72 : x
2. Step 2: Convert to fraction form
   25,305,436.08/34,921,438.56 = 13,702,998.72/x
3. Step 3: Cross multiply
   25,305,436.08x = 34,921,438.56 × 13,702,998.72
4. Step 4: Simplify right side
   25,305,436.08x = 478,528,427,888,238.69
5. Step 5: Solve for x
   x = 478,528,427,888,238.69/25,305,436.08
6. Step 6: Final answer
   x = 18,910,103.99