Finding the Fourth Proportional to 99,053.88, 148,441.39 and 42,850.71

Step by Step Solution

1. Step 1: Write the proportion equation
   99,053.88 : 148,441.39 = 42,850.71 : x
2. Step 2: Convert to fraction form
   99,053.88/148,441.39 = 42,850.71/x
3. Step 3: Cross multiply
   99,053.88x = 148,441.39 × 42,850.71
4. Step 4: Simplify right side
   99,053.88x = 6,360,818,954.89
5. Step 5: Solve for x
   x = 6,360,818,954.89/99,053.88
6. Step 6: Final answer
   x = 64,215.75