Finding the Fourth Proportional to 105,154.38, 157,733.76 and 37,690.80

Step by Step Solution

1. Step 1: Write the proportion equation
   105,154.38 : 157,733.76 = 37,690.80 : x
2. Step 2: Convert to fraction form
   105,154.38/157,733.76 = 37,690.80/x
3. Step 3: Cross multiply
   105,154.38x = 157,733.76 × 37,690.80
4. Step 4: Simplify right side
   105,154.38x = 5,945,111,601.41
5. Step 5: Solve for x
   x = 5,945,111,601.41/105,154.38
6. Step 6: Final answer
   x = 56,536.98