Finding the Fourth Proportional to 108,549.42, 149,849.51 and 72,762.81

Step by Step Solution

1. Step 1: Write the proportion equation
   108,549.42 : 149,849.51 = 72,762.81 : x
2. Step 2: Convert to fraction form
   108,549.42/149,849.51 = 72,762.81/x
3. Step 3: Cross multiply
   108,549.42x = 149,849.51 × 72,762.81
4. Step 4: Simplify right side
   108,549.42x = 10,903,471,060.91
5. Step 5: Solve for x
   x = 10,903,471,060.91/108,549.42
6. Step 6: Final answer
   x = 100,447.07