Finding the Fourth Proportional to 105,300.80, 157,927.94 and 30,404.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,300.80 : 157,927.94 = 30,404.68 : x
2. Step 2: Convert to fraction form
   105,300.80/157,927.94 = 30,404.68/x
3. Step 3: Cross multiply
   105,300.80x = 157,927.94 × 30,404.68
4. Step 4: Simplify right side
   105,300.80x = 4,801,748,478.76
5. Step 5: Solve for x
   x = 4,801,748,478.76/105,300.80
6. Step 6: Final answer
   x = 45,600.30