Finding the Fourth Proportional to 107,245.30, 148,016.28 and 59,513.98

Step by Step Solution

1. Step 1: Write the proportion equation
   107,245.30 : 148,016.28 = 59,513.98 : x
2. Step 2: Convert to fraction form
   107,245.30/148,016.28 = 59,513.98/x
3. Step 3: Cross multiply
   107,245.30x = 148,016.28 × 59,513.98
4. Step 4: Simplify right side
   107,245.30x = 8,809,037,927.59
5. Step 5: Solve for x
   x = 8,809,037,927.59/107,245.30
6. Step 6: Final answer
   x = 82,139.15