Finding the Fourth Proportional to 12,890,093.36, 17,787,973.61 and 7,088,874.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,890,093.36 : 17,787,973.61 = 7,088,874.98 : x
2. Step 2: Convert to fraction form
   12,890,093.36/17,787,973.61 = 7,088,874.98/x
3. Step 3: Cross multiply
   12,890,093.36x = 17,787,973.61 × 7,088,874.98
4. Step 4: Simplify right side
   12,890,093.36x = 126,096,720,997,611.59
5. Step 5: Solve for x
   x = 126,096,720,997,611.59/12,890,093.36
6. Step 6: Final answer
   x = 9,782,452.11