Finding the Fourth Proportional to 12,185,365.61, 16,823,450.62 and 7,841,999.99

Step by Step Solution

1. Step 1: Write the proportion equation
   12,185,365.61 : 16,823,450.62 = 7,841,999.99 : x
2. Step 2: Convert to fraction form
   12,185,365.61/16,823,450.62 = 7,841,999.99/x
3. Step 3: Cross multiply
   12,185,365.61x = 16,823,450.62 × 7,841,999.99
4. Step 4: Simplify right side
   12,185,365.61x = 131,929,499,645,666.61
5. Step 5: Solve for x
   x = 131,929,499,645,666.61/12,185,365.61
6. Step 6: Final answer
   x = 10,826,880.69