Finding the Fourth Proportional to 106,904.89, 147,518.72 and 63,875.81

Step by Step Solution

1. Step 1: Write the proportion equation
   106,904.89 : 147,518.72 = 63,875.81 : x
2. Step 2: Convert to fraction form
   106,904.89/147,518.72 = 63,875.81/x
3. Step 3: Cross multiply
   106,904.89x = 147,518.72 × 63,875.81
4. Step 4: Simplify right side
   106,904.89x = 9,422,878,258.65
5. Step 5: Solve for x
   x = 9,422,878,258.65/106,904.89
6. Step 6: Final answer
   x = 88,142.63