Finding the Fourth Proportional to 13,044,518.78, 18,003,096.88 and 7,887,916.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,044,518.78 : 18,003,096.88 = 7,887,916.94 : x
2. Step 2: Convert to fraction form
   13,044,518.78/18,003,096.88 = 7,887,916.94/x
3. Step 3: Cross multiply
   13,044,518.78x = 18,003,096.88 × 7,887,916.94
4. Step 4: Simplify right side
   13,044,518.78x = 142,006,932,852,213.16
5. Step 5: Solve for x
   x = 142,006,932,852,213.16/13,044,518.78
6. Step 6: Final answer
   x = 10,886,329.75