Finding the Fourth Proportional to 56,981.39, 78,608.18 and 33,103.59

Step by Step Solution

1. Step 1: Write the proportion equation
   56,981.39 : 78,608.18 = 33,103.59 : x
2. Step 2: Convert to fraction form
   56,981.39/78,608.18 = 33,103.59/x
3. Step 3: Cross multiply
   56,981.39x = 78,608.18 × 33,103.59
4. Step 4: Simplify right side
   56,981.39x = 2,602,212,795.85
5. Step 5: Solve for x
   x = 2,602,212,795.85/56,981.39
6. Step 6: Final answer
   x = 45,667.77