Finding the Fourth Proportional to 107,389.35, 148,131.05 and 69,136.29

Step by Step Solution

1. Step 1: Write the proportion equation
   107,389.35 : 148,131.05 = 69,136.29 : x
2. Step 2: Convert to fraction form
   107,389.35/148,131.05 = 69,136.29/x
3. Step 3: Cross multiply
   107,389.35x = 148,131.05 × 69,136.29
4. Step 4: Simplify right side
   107,389.35x = 10,241,230,885.12
5. Step 5: Solve for x
   x = 10,241,230,885.12/107,389.35
6. Step 6: Final answer
   x = 95,365.42