Finding the Fourth Proportional to 83,847.32, 115,698.78 and 56,682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,847.32 : 115,698.78 = 56,682.50 : x
2. Step 2: Convert to fraction form
   83,847.32/115,698.78 = 56,682.50/x
3. Step 3: Cross multiply
   83,847.32x = 115,698.78 × 56,682.50
4. Step 4: Simplify right side
   83,847.32x = 6,558,096,059.01
5. Step 5: Solve for x
   x = 6,558,096,059.01/83,847.32
6. Step 6: Final answer
   x = 78,214.73