Finding the Fourth Proportional to 155,978.30, 233,965.35 and 37,648.58

Step by Step Solution

1. Step 1: Write the proportion equation
   155,978.30 : 233,965.35 = 37,648.58 : x
2. Step 2: Convert to fraction form
   155,978.30/233,965.35 = 37,648.58/x
3. Step 3: Cross multiply
   155,978.30x = 233,965.35 × 37,648.58
4. Step 4: Simplify right side
   155,978.30x = 8,808,463,196.70
5. Step 5: Solve for x
   x = 8,808,463,196.70/155,978.30
6. Step 6: Final answer
   x = 56,472.36