Finding the Fourth Proportional to 17,139,906.30, 25,691,783.90 and 5,622,366.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139,906.30 : 25,691,783.90 = 5,622,366.05 : x
2. Step 2: Convert to fraction form
   17,139,906.30/25,691,783.90 = 5,622,366.05/x
3. Step 3: Cross multiply
   17,139,906.30x = 25,691,783.90 × 5,622,366.05
4. Step 4: Simplify right side
   17,139,906.30x = 144,448,613,406,725.84
5. Step 5: Solve for x
   x = 144,448,613,406,725.84/17,139,906.30
6. Step 6: Final answer
   x = 8,427,619.78