Finding the Fourth Proportional to 72,145.62, 99,566.01 and 46,995.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,145.62 : 99,566.01 = 46,995.12 : x
2. Step 2: Convert to fraction form
   72,145.62/99,566.01 = 46,995.12/x
3. Step 3: Cross multiply
   72,145.62x = 99,566.01 × 46,995.12
4. Step 4: Simplify right side
   72,145.62x = 4,679,116,587.87
5. Step 5: Solve for x
   x = 4,679,116,587.87/72,145.62
6. Step 6: Final answer
   x = 64,856.56