Finding the Fourth Proportional to 12,259,116.59, 16,917,580.90 and 7,105,467.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,259,116.59 : 16,917,580.90 = 7,105,467.50 : x
2. Step 2: Convert to fraction form
   12,259,116.59/16,917,580.90 = 7,105,467.50/x
3. Step 3: Cross multiply
   12,259,116.59x = 16,917,580.90 × 7,105,467.50
4. Step 4: Simplify right side
   12,259,116.59x = 120,207,321,263,570.73
5. Step 5: Solve for x
   x = 120,207,321,263,570.73/12,259,116.59
6. Step 6: Final answer
   x = 9,805,545.15