Finding the Fourth Proportional to 13,164,788, 18,168,941.98 and 7,658,394.94

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164,788 : 18,168,941.98 = 7,658,394.94 : x
2. Step 2: Convert to fraction form
   13,164,788/18,168,941.98 = 7,658,394.94/x
3. Step 3: Cross multiply
   13,164,788x = 18,168,941.98 × 7,658,394.94
4. Step 4: Simplify right side
   13,164,788x = 139,144,933,324,785.59
5. Step 5: Solve for x
   x = 139,144,933,324,785.59/13,164,788
6. Step 6: Final answer
   x = 10,569,477.71