Finding the Fourth Proportional to 108,308.03, 149,510.55 and 65,881.31

Step by Step Solution

1. Step 1: Write the proportion equation
   108,308.03 : 149,510.55 = 65,881.31 : x
2. Step 2: Convert to fraction form
   108,308.03/149,510.55 = 65,881.31/x
3. Step 3: Cross multiply
   108,308.03x = 149,510.55 × 65,881.31
4. Step 4: Simplify right side
   108,308.03x = 9,849,950,145.27
5. Step 5: Solve for x
   x = 9,849,950,145.27/108,308.03
6. Step 6: Final answer
   x = 90,943.86