Finding the Fourth Proportional to 57,930, 79,943.76 and 32,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   57,930 : 79,943.76 = 32,784.72 : x
2. Step 2: Convert to fraction form
   57,930/79,943.76 = 32,784.72/x
3. Step 3: Cross multiply
   57,930x = 79,943.76 × 32,784.72
4. Step 4: Simplify right side
   57,930x = 2,620,933,787.35
5. Step 5: Solve for x
   x = 2,620,933,787.35/57,930
6. Step 6: Final answer
   x = 45,243.12