Finding the Fourth Proportional to 112,995.06, 155,933.16 and 64,598.04

Step by Step Solution

1. Step 1: Write the proportion equation
   112,995.06 : 155,933.16 = 64,598.04 : x
2. Step 2: Convert to fraction form
   112,995.06/155,933.16 = 64,598.04/x
3. Step 3: Cross multiply
   112,995.06x = 155,933.16 × 64,598.04
4. Step 4: Simplify right side
   112,995.06x = 10,072,976,507.01
5. Step 5: Solve for x
   x = 10,072,976,507.01/112,995.06
6. Step 6: Final answer
   x = 89,145.28