Finding the Fourth Proportional to 56,633.55, 78,154.59 and 31,141.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56,633.55 : 78,154.59 = 31,141.56 : x
2. Step 2: Convert to fraction form
   56,633.55/78,154.59 = 31,141.56/x
3. Step 3: Cross multiply
   56,633.55x = 78,154.59 × 31,141.56
4. Step 4: Simplify right side
   56,633.55x = 2,433,855,648.83
5. Step 5: Solve for x
   x = 2,433,855,648.83/56,633.55
6. Step 6: Final answer
   x = 42,975.51