Finding the Fourth Proportional to 112,555.32, 155,356.96 and 69,528.15

Step by Step Solution

1. Step 1: Write the proportion equation
   112,555.32 : 155,356.96 = 69,528.15 : x
2. Step 2: Convert to fraction form
   112,555.32/155,356.96 = 69,528.15/x
3. Step 3: Cross multiply
   112,555.32x = 155,356.96 × 69,528.15
4. Step 4: Simplify right side
   112,555.32x = 10,801,681,733.58
5. Step 5: Solve for x
   x = 10,801,681,733.58/112,555.32
6. Step 6: Final answer
   x = 95,967.76