Finding the Fourth Proportional to 12,725,856.74, 17,558,621.10 and 7,499,078.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,725,856.74 : 17,558,621.10 = 7,499,078.92 : x
2. Step 2: Convert to fraction form
   12,725,856.74/17,558,621.10 = 7,499,078.92/x
3. Step 3: Cross multiply
   12,725,856.74x = 17,558,621.10 × 7,499,078.92
4. Step 4: Simplify right side
   12,725,856.74x = 131,673,485,377,225.50
5. Step 5: Solve for x
   x = 131,673,485,377,225.50/12,725,856.74
6. Step 6: Final answer
   x = 10,346,925.01