Finding the Fourth Proportional to 25,428,938.37, 35,091,680.09 and 13,826,502.42

Step by Step Solution

1. Step 1: Write the proportion equation
   25,428,938.37 : 35,091,680.09 = 13,826,502.42 : x
2. Step 2: Convert to fraction form
   25,428,938.37/35,091,680.09 = 13,826,502.42/x
3. Step 3: Cross multiply
   25,428,938.37x = 35,091,680.09 × 13,826,502.42
4. Step 4: Simplify right side
   25,428,938.37x = 485,195,199,686,250.88
5. Step 5: Solve for x
   x = 485,195,199,686,250.88/25,428,938.37
6. Step 6: Final answer
   x = 19,080,434.76