Finding the Fourth Proportional to 12,611,878.41, 17,404,312.93 and 7,107,021.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,611,878.41 : 17,404,312.93 = 7,107,021.54 : x
2. Step 2: Convert to fraction form
   12,611,878.41/17,404,312.93 = 7,107,021.54/x
3. Step 3: Cross multiply
   12,611,878.41x = 17,404,312.93 × 7,107,021.54
4. Step 4: Simplify right side
   12,611,878.41x = 123,692,826,897,986.27
5. Step 5: Solve for x
   x = 123,692,826,897,986.27/12,611,878.41
6. Step 6: Final answer
   x = 9,807,645.06