Finding the Fourth Proportional to 99,740.49, 137,659.68 and 59,456.82

Step by Step Solution

1. Step 1: Write the proportion equation
   99,740.49 : 137,659.68 = 59,456.82 : x
2. Step 2: Convert to fraction form
   99,740.49/137,659.68 = 59,456.82/x
3. Step 3: Cross multiply
   99,740.49x = 137,659.68 × 59,456.82
4. Step 4: Simplify right side
   99,740.49x = 8,184,806,815.02
5. Step 5: Solve for x
   x = 8,184,806,815.02/99,740.49
6. Step 6: Final answer
   x = 82,061.02