Finding the Fourth Proportional to 112,743.10, 155,587.97 and 64,344.06

Step by Step Solution

1. Step 1: Write the proportion equation
   112,743.10 : 155,587.97 = 64,344.06 : x
2. Step 2: Convert to fraction form
   112,743.10/155,587.97 = 64,344.06/x
3. Step 3: Cross multiply
   112,743.10x = 155,587.97 × 64,344.06
4. Step 4: Simplify right side
   112,743.10x = 10,011,162,009.38
5. Step 5: Solve for x
   x = 10,011,162,009.38/112,743.10
6. Step 6: Final answer
   x = 88,796.23