Finding the Fourth Proportional to 56,637.46, 78,160.61 and 31,144.94

Step by Step Solution

1. Step 1: Write the proportion equation
   56,637.46 : 78,160.61 = 31,144.94 : x
2. Step 2: Convert to fraction form
   56,637.46/78,160.61 = 31,144.94/x
3. Step 3: Cross multiply
   56,637.46x = 78,160.61 × 31,144.94
4. Step 4: Simplify right side
   56,637.46x = 2,434,307,488.97
5. Step 5: Solve for x
   x = 2,434,307,488.97/56,637.46
6. Step 6: Final answer
   x = 42,980.52