Finding the Fourth Proportional to 12,478,196.53, 17,216,958.90 and 7,248,097.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,478,196.53 : 17,216,958.90 = 7,248,097.51 : x
2. Step 2: Convert to fraction form
   12,478,196.53/17,216,958.90 = 7,248,097.51/x
3. Step 3: Cross multiply
   12,478,196.53x = 17,216,958.90 × 7,248,097.51
4. Step 4: Simplify right side
   12,478,196.53x = 124,790,196,889,819.94
5. Step 5: Solve for x
   x = 124,790,196,889,819.94/12,478,196.53
6. Step 6: Final answer
   x = 10,000,659.68