Finding the Fourth Proportional to 79,184.72, 109,281.48 and 64,997.84

Step by Step Solution

1. Step 1: Write the proportion equation
   79,184.72 : 109,281.48 = 64,997.84 : x
2. Step 2: Convert to fraction form
   79,184.72/109,281.48 = 64,997.84/x
3. Step 3: Cross multiply
   79,184.72x = 109,281.48 × 64,997.84
4. Step 4: Simplify right side
   79,184.72x = 7,103,060,152.00
5. Step 5: Solve for x
   x = 7,103,060,152.00/79,184.72
6. Step 6: Final answer
   x = 89,702.41