Finding the Fourth Proportional to 99,019.56, 148,535.82 and 28,893

Step by Step Solution

1. Step 1: Write the proportion equation
   99,019.56 : 148,535.82 = 28,893 : x
2. Step 2: Convert to fraction form
   99,019.56/148,535.82 = 28,893/x
3. Step 3: Cross multiply
   99,019.56x = 148,535.82 × 28,893
4. Step 4: Simplify right side
   99,019.56x = 4,291,645,447.26
5. Step 5: Solve for x
   x = 4,291,645,447.26/99,019.56
6. Step 6: Final answer
   x = 43,341.39