Finding the Fourth Proportional to 56,597.94, 78,100.45 and 31,102.96

Step by Step Solution

1. Step 1: Write the proportion equation
   56,597.94 : 78,100.45 = 31,102.96 : x
2. Step 2: Convert to fraction form
   56,597.94/78,100.45 = 31,102.96/x
3. Step 3: Cross multiply
   56,597.94x = 78,100.45 × 31,102.96
4. Step 4: Simplify right side
   56,597.94x = 2,429,155,172.33
5. Step 5: Solve for x
   x = 2,429,155,172.33/56,597.94
6. Step 6: Final answer
   x = 42,919.50