Finding the Fourth Proportional to 57,607.31, 79,503.98 and 53,084.84

Step by Step Solution

1. Step 1: Write the proportion equation
   57,607.31 : 79,503.98 = 53,084.84 : x
2. Step 2: Convert to fraction form
   57,607.31/79,503.98 = 53,084.84/x
3. Step 3: Cross multiply
   57,607.31x = 79,503.98 × 53,084.84
4. Step 4: Simplify right side
   57,607.31x = 4,220,455,394.72
5. Step 5: Solve for x
   x = 4,220,455,394.72/57,607.31
6. Step 6: Final answer
   x = 73,262.49