Finding the Fourth Proportional to 100,733.93, 139,009.91 and 55,411.94

Step by Step Solution

1. Step 1: Write the proportion equation
   100,733.93 : 139,009.91 = 55,411.94 : x
2. Step 2: Convert to fraction form
   100,733.93/139,009.91 = 55,411.94/x
3. Step 3: Cross multiply
   100,733.93x = 139,009.91 × 55,411.94
4. Step 4: Simplify right side
   100,733.93x = 7,702,808,792.33
5. Step 5: Solve for x
   x = 7,702,808,792.33/100,733.93
6. Step 6: Final answer
   x = 76,466.87