Finding the Fourth Proportional to 17,372,993.98, 26,059,691.56 and 5,242,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,372,993.98 : 26,059,691.56 = 5,242,562.50 : x
2. Step 2: Convert to fraction form
   17,372,993.98/26,059,691.56 = 5,242,562.50/x
3. Step 3: Cross multiply
   17,372,993.98x = 26,059,691.56 × 5,242,562.50
4. Step 4: Simplify right side
   17,372,993.98x = 136,619,561,734,022.50
5. Step 5: Solve for x
   x = 136,619,561,734,022.50/17,372,993.98
6. Step 6: Final answer
   x = 7,863,904.28