Finding the Fourth Proportional to 127,085.49, 190,495.22 and 42,816.53

Step by Step Solution

1. Step 1: Write the proportion equation
   127,085.49 : 190,495.22 = 42,816.53 : x
2. Step 2: Convert to fraction form
   127,085.49/190,495.22 = 42,816.53/x
3. Step 3: Cross multiply
   127,085.49x = 190,495.22 × 42,816.53
4. Step 4: Simplify right side
   127,085.49x = 8,156,344,564.14
5. Step 5: Solve for x
   x = 8,156,344,564.14/127,085.49
6. Step 6: Final answer
   x = 64,179.98