Finding the Fourth Proportional to 108,377.34, 149,611.86 and 81,530.07

Step by Step Solution

1. Step 1: Write the proportion equation
   108,377.34 : 149,611.86 = 81,530.07 : x
2. Step 2: Convert to fraction form
   108,377.34/149,611.86 = 81,530.07/x
3. Step 3: Cross multiply
   108,377.34x = 149,611.86 × 81,530.07
4. Step 4: Simplify right side
   108,377.34x = 12,197,865,418.63
5. Step 5: Solve for x
   x = 12,197,865,418.63/108,377.34
6. Step 6: Final answer
   x = 112,549.96