Finding the Fourth Proportional to 16,798,419.72, 25,201,634.22 and 5,438,871.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,798,419.72 : 25,201,634.22 = 5,438,871.72 : x
2. Step 2: Convert to fraction form
   16,798,419.72/25,201,634.22 = 5,438,871.72/x
3. Step 3: Cross multiply
   16,798,419.72x = 25,201,634.22 × 5,438,871.72
4. Step 4: Simplify right side
   16,798,419.72x = 137,068,455,656,942.25
5. Step 5: Solve for x
   x = 137,068,455,656,942.25/16,798,419.72
6. Step 6: Final answer
   x = 8,159,604.17