Finding the Fourth Proportional to 25,707,875.86, 35,476,936.06 and 13,947,143.62

Step by Step Solution

1. Step 1: Write the proportion equation
   25,707,875.86 : 35,476,936.06 = 13,947,143.62 : x
2. Step 2: Convert to fraction form
   25,707,875.86/35,476,936.06 = 13,947,143.62/x
3. Step 3: Cross multiply
   25,707,875.86x = 35,476,936.06 × 13,947,143.62
4. Step 4: Simplify right side
   25,707,875.86x = 494,801,922,426,376.94
5. Step 5: Solve for x
   x = 494,801,922,426,376.94/25,707,875.86
6. Step 6: Final answer
   x = 19,247,094.75