Finding the Fourth Proportional to 10,868,123.09, 16,301,185.10 and 3,678,835.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868,123.09 : 16,301,185.10 = 3,678,835.25 : x
2. Step 2: Convert to fraction form
   10,868,123.09/16,301,185.10 = 3,678,835.25/x
3. Step 3: Cross multiply
   10,868,123.09x = 16,301,185.10 × 3,678,835.25
4. Step 4: Simplify right side
   10,868,123.09x = 59,969,374,344,260.60
5. Step 5: Solve for x
   x = 59,969,374,344,260.60/10,868,123.09
6. Step 6: Final answer
   x = 5,517,914.53