Finding the Fourth Proportional to 105,038.62, 157,565.11 and 30,153

Step by Step Solution

1. Step 1: Write the proportion equation
   105,038.62 : 157,565.11 = 30,153 : x
2. Step 2: Convert to fraction form
   105,038.62/157,565.11 = 30,153/x
3. Step 3: Cross multiply
   105,038.62x = 157,565.11 × 30,153
4. Step 4: Simplify right side
   105,038.62x = 4,751,060,761.83
5. Step 5: Solve for x
   x = 4,751,060,761.83/105,038.62
6. Step 6: Final answer
   x = 45,231.56