Finding the Fourth Proportional to 61,345.85, 91,981.59 and 40,014.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,345.85 : 91,981.59 = 40,014.50 : x
2. Step 2: Convert to fraction form
   61,345.85/91,981.59 = 40,014.50/x
3. Step 3: Cross multiply
   61,345.85x = 91,981.59 × 40,014.50
4. Step 4: Simplify right side
   61,345.85x = 3,680,596,873.15
5. Step 5: Solve for x
   x = 3,680,596,873.15/61,345.85
6. Step 6: Final answer
   x = 59,997.49