Finding the Fourth Proportional to 11,357,795.34, 17,019,454.59 and 8,327,178.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,357,795.34 : 17,019,454.59 = 8,327,178.72 : x
2. Step 2: Convert to fraction form
   11,357,795.34/17,019,454.59 = 8,327,178.72/x
3. Step 3: Cross multiply
   11,357,795.34x = 17,019,454.59 × 8,327,178.72
4. Step 4: Simplify right side
   11,357,795.34x = 141,724,040,087,854.31
5. Step 5: Solve for x
   x = 141,724,040,087,854.31/11,357,795.34
6. Step 6: Final answer
   x = 12,478,129.41