Finding the Fourth Proportional to 149,314, 206,063.04 and 99,022.72

Step by Step Solution

1. Step 1: Write the proportion equation
   149,314 : 206,063.04 = 99,022.72 : x
2. Step 2: Convert to fraction form
   149,314/206,063.04 = 99,022.72/x
3. Step 3: Cross multiply
   149,314x = 206,063.04 × 99,022.72
4. Step 4: Simplify right side
   149,314x = 20,404,922,712.27
5. Step 5: Solve for x
   x = 20,404,922,712.27/149,314
6. Step 6: Final answer
   x = 136,657.80