Finding the Fourth Proportional to 17,259,528.30, 25,888,661.87 and 5,128,676.46

Step by Step Solution

1. Step 1: Write the proportion equation
   17,259,528.30 : 25,888,661.87 = 5,128,676.46 : x
2. Step 2: Convert to fraction form
   17,259,528.30/25,888,661.87 = 5,128,676.46/x
3. Step 3: Cross multiply
   17,259,528.30x = 25,888,661.87 × 5,128,676.46
4. Step 4: Simplify right side
   17,259,528.30x = 132,774,570,598,546.45
5. Step 5: Solve for x
   x = 132,774,570,598,546.45/17,259,528.30
6. Step 6: Final answer
   x = 7,692,827.31