Finding the Fourth Proportional to 127,078.07, 190,611.33 and 55,981.68

Step by Step Solution

1. Step 1: Write the proportion equation
   127,078.07 : 190,611.33 = 55,981.68 : x
2. Step 2: Convert to fraction form
   127,078.07/190,611.33 = 55,981.68/x
3. Step 3: Cross multiply
   127,078.07x = 190,611.33 × 55,981.68
4. Step 4: Simplify right side
   127,078.07x = 10,670,742,627.90
5. Step 5: Solve for x
   x = 10,670,742,627.90/127,078.07
6. Step 6: Final answer
   x = 83,969.98