Finding the Fourth Proportional to 12,361,807.89, 17,058,971.64 and 6,855,168.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,361,807.89 : 17,058,971.64 = 6,855,168.72 : x
2. Step 2: Convert to fraction form
   12,361,807.89/17,058,971.64 = 6,855,168.72/x
3. Step 3: Cross multiply
   12,361,807.89x = 17,058,971.64 × 6,855,168.72
4. Step 4: Simplify right side
   12,361,807.89x = 116,942,128,781,895.09
5. Step 5: Solve for x
   x = 116,942,128,781,895.09/12,361,807.89
6. Step 6: Final answer
   x = 9,459,953.58