Finding the Fourth Proportional to 141,411.94, 211,831.46 and 65,402.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,411.94 : 211,831.46 = 65,402.50 : x
2. Step 2: Convert to fraction form
   141,411.94/211,831.46 = 65,402.50/x
3. Step 3: Cross multiply
   141,411.94x = 211,831.46 × 65,402.50
4. Step 4: Simplify right side
   141,411.94x = 13,854,307,062.65
5. Step 5: Solve for x
   x = 13,854,307,062.65/141,411.94
6. Step 6: Final answer
   x = 97,971.27