Finding the Fourth Proportional to 127,605.82, 191,290.29 and 56,490.52

Step by Step Solution

1. Step 1: Write the proportion equation
   127,605.82 : 191,290.29 = 56,490.52 : x
2. Step 2: Convert to fraction form
   127,605.82/191,290.29 = 56,490.52/x
3. Step 3: Cross multiply
   127,605.82x = 191,290.29 × 56,490.52
4. Step 4: Simplify right side
   127,605.82x = 10,806,087,953.05
5. Step 5: Solve for x
   x = 10,806,087,953.05/127,605.82
6. Step 6: Final answer
   x = 84,683.35