Finding the Fourth Proportional to 10,012,275, 15,017,657.99 and 3,188,572.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,012,275 : 15,017,657.99 = 3,188,572.56 : x
2. Step 2: Convert to fraction form
   10,012,275/15,017,657.99 = 3,188,572.56/x
3. Step 3: Cross multiply
   10,012,275x = 15,017,657.99 × 3,188,572.56
4. Step 4: Simplify right side
   10,012,275x = 47,884,892,166,435.89
5. Step 5: Solve for x
   x = 47,884,892,166,435.89/10,012,275
6. Step 6: Final answer
   x = 4,782,618.55