Finding the Fourth Proportional to 108,870.89, 163,239.96 and 48,887.70

Step by Step Solution

1. Step 1: Write the proportion equation
   108,870.89 : 163,239.96 = 48,887.70 : x
2. Step 2: Convert to fraction form
   108,870.89/163,239.96 = 48,887.70/x
3. Step 3: Cross multiply
   108,870.89x = 163,239.96 × 48,887.70
4. Step 4: Simplify right side
   108,870.89x = 7,980,426,406.90
5. Step 5: Solve for x
   x = 7,980,426,406.90/108,870.89
6. Step 6: Final answer
   x = 73,301.75