Finding the Fourth Proportional to 111,801.52, 154,263.72 and 64,069.84

Step by Step Solution

1. Step 1: Write the proportion equation
   111,801.52 : 154,263.72 = 64,069.84 : x
2. Step 2: Convert to fraction form
   111,801.52/154,263.72 = 64,069.84/x
3. Step 3: Cross multiply
   111,801.52x = 154,263.72 × 64,069.84
4. Step 4: Simplify right side
   111,801.52x = 9,883,651,858.20
5. Step 5: Solve for x
   x = 9,883,651,858.20/111,801.52
6. Step 6: Final answer
   x = 88,403.56