Finding the Fourth Proportional to 61,303.50, 91,418.79 and 60,742.98

Step by Step Solution

1. Step 1: Write the proportion equation
   61,303.50 : 91,418.79 = 60,742.98 : x
2. Step 2: Convert to fraction form
   61,303.50/91,418.79 = 60,742.98/x
3. Step 3: Cross multiply
   61,303.50x = 91,418.79 × 60,742.98
4. Step 4: Simplify right side
   61,303.50x = 5,553,049,960.38
5. Step 5: Solve for x
   x = 5,553,049,960.38/61,303.50
6. Step 6: Final answer
   x = 90,582.92