Finding the Fourth Proportional to 12,890,123.82, 17,788,015.53 and 7,088,905.44

Step by Step Solution

1. Step 1: Write the proportion equation
   12,890,123.82 : 17,788,015.53 = 7,088,905.44 : x
2. Step 2: Convert to fraction form
   12,890,123.82/17,788,015.53 = 7,088,905.44/x
3. Step 3: Cross multiply
   12,890,123.82x = 17,788,015.53 × 7,088,905.44
4. Step 4: Simplify right side
   12,890,123.82x = 126,097,560,057,421.50
5. Step 5: Solve for x
   x = 126,097,560,057,421.50/12,890,123.82
6. Step 6: Final answer
   x = 9,782,494.09