Finding the Fourth Proportional to 56,933.02, 85,284.71 and 47,665.61

Step by Step Solution

1. Step 1: Write the proportion equation
   56,933.02 : 85,284.71 = 47,665.61 : x
2. Step 2: Convert to fraction form
   56,933.02/85,284.71 = 47,665.61/x
3. Step 3: Cross multiply
   56,933.02x = 85,284.71 × 47,665.61
4. Step 4: Simplify right side
   56,933.02x = 4,065,147,061.07
5. Step 5: Solve for x
   x = 4,065,147,061.07/56,933.02
6. Step 6: Final answer
   x = 71,402.28