Finding the Fourth Proportional to 12,997,922.57, 19,497,105.30 and 4,914,704.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,997,922.57 : 19,497,105.30 = 4,914,704.96 : x
2. Step 2: Convert to fraction form
   12,997,922.57/19,497,105.30 = 4,914,704.96/x
3. Step 3: Cross multiply
   12,997,922.57x = 19,497,105.30 × 4,914,704.96
4. Step 4: Simplify right side
   12,997,922.57x = 95,822,520,026,066.77
5. Step 5: Solve for x
   x = 95,822,520,026,066.77/12,997,922.57
6. Step 6: Final answer
   x = 7,372,141.17