Finding the Fourth Proportional to 99,946.52, 137,912.84 and 64,184.96

Step by Step Solution

1. Step 1: Write the proportion equation
   99,946.52 : 137,912.84 = 64,184.96 : x
2. Step 2: Convert to fraction form
   99,946.52/137,912.84 = 64,184.96/x
3. Step 3: Cross multiply
   99,946.52x = 137,912.84 × 64,184.96
4. Step 4: Simplify right side
   99,946.52x = 8,851,930,118.89
5. Step 5: Solve for x
   x = 8,851,930,118.89/99,946.52
6. Step 6: Final answer
   x = 88,566.67