Finding the Fourth Proportional to 108,069.34, 161,886.56 and 53,870.46

Step by Step Solution

1. Step 1: Write the proportion equation
   108,069.34 : 161,886.56 = 53,870.46 : x
2. Step 2: Convert to fraction form
   108,069.34/161,886.56 = 53,870.46/x
3. Step 3: Cross multiply
   108,069.34x = 161,886.56 × 53,870.46
4. Step 4: Simplify right side
   108,069.34x = 8,720,903,455.02
5. Step 5: Solve for x
   x = 8,720,903,455.02/108,069.34
6. Step 6: Final answer
   x = 80,697.30