Finding the Fourth Proportional to 112,382.07, 155,091.71 and 64,635.36

Step by Step Solution

1. Step 1: Write the proportion equation
   112,382.07 : 155,091.71 = 64,635.36 : x
2. Step 2: Convert to fraction form
   112,382.07/155,091.71 = 64,635.36/x
3. Step 3: Cross multiply
   112,382.07x = 155,091.71 × 64,635.36
4. Step 4: Simplify right side
   112,382.07x = 10,024,407,410.23
5. Step 5: Solve for x
   x = 10,024,407,410.23/112,382.07
6. Step 6: Final answer
   x = 89,199.35