Finding the Fourth Proportional to 99,052.88, 148,439.89 and 42,849.71

Step by Step Solution

1. Step 1: Write the proportion equation
   99,052.88 : 148,439.89 = 42,849.71 : x
2. Step 2: Convert to fraction form
   99,052.88/148,439.89 = 42,849.71/x
3. Step 3: Cross multiply
   99,052.88x = 148,439.89 × 42,849.71
4. Step 4: Simplify right side
   99,052.88x = 6,360,606,106.94
5. Step 5: Solve for x
   x = 6,360,606,106.94/99,052.88
6. Step 6: Final answer
   x = 64,214.25