Finding the Fourth Proportional to 127,570.74, 191,399.34 and 56,483.58

Step by Step Solution

1. Step 1: Write the proportion equation
   127,570.74 : 191,399.34 = 56,483.58 : x
2. Step 2: Convert to fraction form
   127,570.74/191,399.34 = 56,483.58/x
3. Step 3: Cross multiply
   127,570.74x = 191,399.34 × 56,483.58
4. Step 4: Simplify right side
   127,570.74x = 10,810,920,862.40
5. Step 5: Solve for x
   x = 10,810,920,862.40/127,570.74
6. Step 6: Final answer
   x = 84,744.52