Finding the Fourth Proportional to 109,999.50, 151,799.31 and 59,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,999.50 : 151,799.31 = 59,698.50 : x
2. Step 2: Convert to fraction form
   109,999.50/151,799.31 = 59,698.50/x
3. Step 3: Cross multiply
   109,999.50x = 151,799.31 × 59,698.50
4. Step 4: Simplify right side
   109,999.50x = 9,062,191,108.04
5. Step 5: Solve for x
   x = 9,062,191,108.04/109,999.50
6. Step 6: Final answer
   x = 82,383.93