Finding the Fourth Proportional to 9,195,499.17, 12,690,182.52 and 5,121,118.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,195,499.17 : 12,690,182.52 = 5,121,118.17 : x
2. Step 2: Convert to fraction form
   9,195,499.17/12,690,182.52 = 5,121,118.17/x
3. Step 3: Cross multiply
   9,195,499.17x = 12,690,182.52 × 5,121,118.17
4. Step 4: Simplify right side
   9,195,499.17x = 64,987,924,283,788.38
5. Step 5: Solve for x
   x = 64,987,924,283,788.38/9,195,499.17
6. Step 6: Final answer
   x = 7,067,362.31