Finding the Fourth Proportional to 55,935, 77,191.52 and 30,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,935 : 77,191.52 = 30,784.50 : x
2. Step 2: Convert to fraction form
   55,935/77,191.52 = 30,784.50/x
3. Step 3: Cross multiply
   55,935x = 77,191.52 × 30,784.50
4. Step 4: Simplify right side
   55,935x = 2,376,302,193.52
5. Step 5: Solve for x
   x = 2,376,302,193.52/55,935
6. Step 6: Final answer
   x = 42,483.28