Finding the Fourth Proportional to 25,470,401.51, 35,149,783.88 and 13,868,599.79

Step by Step Solution

1. Step 1: Write the proportion equation
   25,470,401.51 : 35,149,783.88 = 13,868,599.79 : x
2. Step 2: Convert to fraction form
   25,470,401.51/35,149,783.88 = 13,868,599.79/x
3. Step 3: Cross multiply
   25,470,401.51x = 35,149,783.88 × 13,868,599.79
4. Step 4: Simplify right side
   25,470,401.51x = 487,478,285,336,713.38
5. Step 5: Solve for x
   x = 487,478,285,336,713.38/25,470,401.51
6. Step 6: Final answer
   x = 19,139,010.63