Finding the Fourth Proportional to 127,933.50, 191,897.62 and 56,836.86

Step by Step Solution

1. Step 1: Write the proportion equation
   127,933.50 : 191,897.62 = 56,836.86 : x
2. Step 2: Convert to fraction form
   127,933.50/191,897.62 = 56,836.86/x
3. Step 3: Cross multiply
   127,933.50x = 191,897.62 × 56,836.86
4. Step 4: Simplify right side
   127,933.50x = 10,906,858,064.49
5. Step 5: Solve for x
   x = 10,906,858,064.49/127,933.50
6. Step 6: Final answer
   x = 85,254.12