Finding the Fourth Proportional to 105,312.78, 157,996.86 and 37,851.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,312.78 : 157,996.86 = 37,851.62 : x
2. Step 2: Convert to fraction form
   105,312.78/157,996.86 = 37,851.62/x
3. Step 3: Cross multiply
   105,312.78x = 157,996.86 × 37,851.62
4. Step 4: Simplify right side
   105,312.78x = 5,980,437,105.91
5. Step 5: Solve for x
   x = 5,980,437,105.91/105,312.78
6. Step 6: Final answer
   x = 56,787.38