Finding the Fourth Proportional to 127,077.35, 190,636.61 and 42,845.04

Step by Step Solution

1. Step 1: Write the proportion equation
   127,077.35 : 190,636.61 = 42,845.04 : x
2. Step 2: Convert to fraction form
   127,077.35/190,636.61 = 42,845.04/x
3. Step 3: Cross multiply
   127,077.35x = 190,636.61 × 42,845.04
4. Step 4: Simplify right side
   127,077.35x = 8,167,832,966.69
5. Step 5: Solve for x
   x = 8,167,832,966.69/127,077.35
6. Step 6: Final answer
   x = 64,274.50