Finding the Fourth Proportional to 12,906,594.77, 17,812,141.86 and 7,400,481.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,906,594.77 : 17,812,141.86 = 7,400,481.90 : x
2. Step 2: Convert to fraction form
   12,906,594.77/17,812,141.86 = 7,400,481.90/x
3. Step 3: Cross multiply
   12,906,594.77x = 17,812,141.86 × 7,400,481.90
4. Step 4: Simplify right side
   12,906,594.77x = 131,818,433,435,162.34
5. Step 5: Solve for x
   x = 131,818,433,435,162.34/12,906,594.77
6. Step 6: Final answer
   x = 10,213,261.97