Finding the Fourth Proportional to 13,111,664.72, 19,664,142.22 and 3,887,480.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111,664.72 : 19,664,142.22 = 3,887,480.22 : x
2. Step 2: Convert to fraction form
   13,111,664.72/19,664,142.22 = 3,887,480.22/x
3. Step 3: Cross multiply
   13,111,664.72x = 19,664,142.22 × 3,887,480.22
4. Step 4: Simplify right side
   13,111,664.72x = 76,443,963,923,516.89
5. Step 5: Solve for x
   x = 76,443,963,923,516.89/13,111,664.72
6. Step 6: Final answer
   x = 5,830,225.65