Finding the Fourth Proportional to 105,385.38, 157,971.30 and 37,897.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,385.38 : 157,971.30 = 37,897.32 : x
2. Step 2: Convert to fraction form
   105,385.38/157,971.30 = 37,897.32/x
3. Step 3: Cross multiply
   105,385.38x = 157,971.30 × 37,897.32
4. Step 4: Simplify right side
   105,385.38x = 5,986,688,906.92
5. Step 5: Solve for x
   x = 5,986,688,906.92/105,385.38
6. Step 6: Final answer
   x = 56,807.58