Finding the Fourth Proportional to 111,853.16, 154,364.00 and 64,109.58

Step by Step Solution

1. Step 1: Write the proportion equation
   111,853.16 : 154,364.00 = 64,109.58 : x
2. Step 2: Convert to fraction form
   111,853.16/154,364.00 = 64,109.58/x
3. Step 3: Cross multiply
   111,853.16x = 154,364.00 × 64,109.58
4. Step 4: Simplify right side
   111,853.16x = 9,896,210,886.57
5. Step 5: Solve for x
   x = 9,896,210,886.57/111,853.16
6. Step 6: Final answer
   x = 88,475.03