Finding the Fourth Proportional to 12,928,080.53, 17,840,805.15 and 7,126,734.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,928,080.53 : 17,840,805.15 = 7,126,734.98 : x
2. Step 2: Convert to fraction form
   12,928,080.53/17,840,805.15 = 7,126,734.98/x
3. Step 3: Cross multiply
   12,928,080.53x = 17,840,805.15 × 7,126,734.98
4. Step 4: Simplify right side
   12,928,080.53x = 127,146,690,205,196.41
5. Step 5: Solve for x
   x = 127,146,690,205,196.41/12,928,080.53
6. Step 6: Final answer
   x = 9,834,924.05