Finding the Fourth Proportional to 127,457.89, 191,157.15 and 56,341.92

Step by Step Solution

1. Step 1: Write the proportion equation
   127,457.89 : 191,157.15 = 56,341.92 : x
2. Step 2: Convert to fraction form
   127,457.89/191,157.15 = 56,341.92/x
3. Step 3: Cross multiply
   127,457.89x = 191,157.15 × 56,341.92
4. Step 4: Simplify right side
   127,457.89x = 10,770,160,852.73
5. Step 5: Solve for x
   x = 10,770,160,852.73/127,457.89
6. Step 6: Final answer
   x = 84,499.76