Finding the Fourth Proportional to 82,887.74, 114,385.34 and 47,078.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,887.74 : 114,385.34 = 47,078.05 : x
2. Step 2: Convert to fraction form
   82,887.74/114,385.34 = 47,078.05/x
3. Step 3: Cross multiply
   82,887.74x = 114,385.34 × 47,078.05
4. Step 4: Simplify right side
   82,887.74x = 5,385,037,948.47
5. Step 5: Solve for x
   x = 5,385,037,948.47/82,887.74
6. Step 6: Final answer
   x = 64,967.85