Finding the Fourth Proportional to 82,890.96, 114,385.95 and 47,080.86

Step by Step Solution

1. Step 1: Write the proportion equation
   82,890.96 : 114,385.95 = 47,080.86 : x
2. Step 2: Convert to fraction form
   82,890.96/114,385.95 = 47,080.86/x
3. Step 3: Cross multiply
   82,890.96x = 114,385.95 × 47,080.86
4. Step 4: Simplify right side
   82,890.96x = 5,385,388,897.92
5. Step 5: Solve for x
   x = 5,385,388,897.92/82,890.96
6. Step 6: Final answer
   x = 64,969.56