Finding the Fourth Proportional to 108,381.42, 149,516.46 and 70,153.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,381.42 : 149,516.46 = 70,153.25 : x
2. Step 2: Convert to fraction form
   108,381.42/149,516.46 = 70,153.25/x
3. Step 3: Cross multiply
   108,381.42x = 149,516.46 × 70,153.25
4. Step 4: Simplify right side
   108,381.42x = 10,489,064,849.91
5. Step 5: Solve for x
   x = 10,489,064,849.91/108,381.42
6. Step 6: Final answer
   x = 96,779.18