Finding the Fourth Proportional to 12,635,404.02, 17,436,860.82 and 7,129,945.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,635,404.02 : 17,436,860.82 = 7,129,945.62 : x
2. Step 2: Convert to fraction form
   12,635,404.02/17,436,860.82 = 7,129,945.62/x
3. Step 3: Cross multiply
   12,635,404.02x = 17,436,860.82 × 7,129,945.62
4. Step 4: Simplify right side
   12,635,404.02x = 124,323,869,430,108.61
5. Step 5: Solve for x
   x = 124,323,869,430,108.61/12,635,404.02
6. Step 6: Final answer
   x = 9,839,326.80