Finding the Fourth Proportional to 109,343, 150,892.69 and 61,611.73

Step by Step Solution

1. Step 1: Write the proportion equation
   109,343 : 150,892.69 = 61,611.73 : x
2. Step 2: Convert to fraction form
   109,343/150,892.69 = 61,611.73/x
3. Step 3: Cross multiply
   109,343x = 150,892.69 × 61,611.73
4. Step 4: Simplify right side
   109,343x = 9,296,759,675.25
5. Step 5: Solve for x
   x = 9,296,759,675.25/109,343
6. Step 6: Final answer
   x = 85,023.82