Finding the Fourth Proportional to 105,003.50, 157,455.99 and 38,397.05

Step by Step Solution

1. Step 1: Write the proportion equation
   105,003.50 : 157,455.99 = 38,397.05 : x
2. Step 2: Convert to fraction form
   105,003.50/157,455.99 = 38,397.05/x
3. Step 3: Cross multiply
   105,003.50x = 157,455.99 × 38,397.05
4. Step 4: Simplify right side
   105,003.50x = 6,045,844,541.56
5. Step 5: Solve for x
   x = 6,045,844,541.56/105,003.50
6. Step 6: Final answer
   x = 57,577.56