Finding the Fourth Proportional to 13,618,112.61, 18,792,715.32 and 7,423,106.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,618,112.61 : 18,792,715.32 = 7,423,106.25 : x
2. Step 2: Convert to fraction form
   13,618,112.61/18,792,715.32 = 7,423,106.25/x
3. Step 3: Cross multiply
   13,618,112.61x = 18,792,715.32 × 7,423,106.25
4. Step 4: Simplify right side
   13,618,112.61x = 139,500,322,546,362.75
5. Step 5: Solve for x
   x = 139,500,322,546,362.75/13,618,112.61
6. Step 6: Final answer
   x = 10,243,733.96