Finding the Fourth Proportional to 12,739,793.50, 17,580,915.03 and 7,016,657.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,739,793.50 : 17,580,915.03 = 7,016,657.50 : x
2. Step 2: Convert to fraction form
   12,739,793.50/17,580,915.03 = 7,016,657.50/x
3. Step 3: Cross multiply
   12,739,793.50x = 17,580,915.03 × 7,016,657.50
4. Step 4: Simplify right side
   12,739,793.50x = 123,359,259,302,112.23
5. Step 5: Solve for x
   x = 123,359,259,302,112.23/12,739,793.50
6. Step 6: Final answer
   x = 9,682,987.35