Finding the Fourth Proportional to 127,770,131.50, 176,322,781.56 and 72,771,105.58

Step by Step Solution

1. Step 1: Write the proportion equation
   127,770,131.50 : 176,322,781.56 = 72,771,105.58 : x
2. Step 2: Convert to fraction form
   127,770,131.50/176,322,781.56 = 72,771,105.58/x
3. Step 3: Cross multiply
   127,770,131.50x = 176,322,781.56 × 72,771,105.58
4. Step 4: Simplify right side
   127,770,131.50x = 12,831,203,753,062,036
5. Step 5: Solve for x
   x = 12,831,203,753,062,036/127,770,131.50
6. Step 6: Final answer
   x = 100,424,125.75