Finding the Fourth Proportional to 112,701.89, 168,784.48 and 65,216.88

Step by Step Solution

1. Step 1: Write the proportion equation
   112,701.89 : 168,784.48 = 65,216.88 : x
2. Step 2: Convert to fraction form
   112,701.89/168,784.48 = 65,216.88/x
3. Step 3: Cross multiply
   112,701.89x = 168,784.48 × 65,216.88
4. Step 4: Simplify right side
   112,701.89x = 11,007,597,178.02
5. Step 5: Solve for x
   x = 11,007,597,178.02/112,701.89
6. Step 6: Final answer
   x = 97,670.03