Finding the Fourth Proportional to 13,690,953.82, 18,892,766.73 and 7,494,802.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,690,953.82 : 18,892,766.73 = 7,494,802.12 : x
2. Step 2: Convert to fraction form
   13,690,953.82/18,892,766.73 = 7,494,802.12/x
3. Step 3: Cross multiply
   13,690,953.82x = 18,892,766.73 × 7,494,802.12
4. Step 4: Simplify right side
   13,690,953.82x = 141,597,548,140,669.47
5. Step 5: Solve for x
   x = 141,597,548,140,669.47/13,690,953.82
6. Step 6: Final answer
   x = 10,342,416.61