Finding the Fourth Proportional to 105,300.15, 157,926.99 and 30,404.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,300.15 : 157,926.99 = 30,404.01 : x
2. Step 2: Convert to fraction form
   105,300.15/157,926.99 = 30,404.01/x
3. Step 3: Cross multiply
   105,300.15x = 157,926.99 × 30,404.01
4. Step 4: Simplify right side
   105,300.15x = 4,801,613,783.23
5. Step 5: Solve for x
   x = 4,801,613,783.23/105,300.15
6. Step 6: Final answer
   x = 45,599.31