Finding the Fourth Proportional to 127,010.31, 190,518.17 and 42,773.01

Step by Step Solution

1. Step 1: Write the proportion equation
   127,010.31 : 190,518.17 = 42,773.01 : x
2. Step 2: Convert to fraction form
   127,010.31/190,518.17 = 42,773.01/x
3. Step 3: Cross multiply
   127,010.31x = 190,518.17 × 42,773.01
4. Step 4: Simplify right side
   127,010.31x = 8,149,035,376.73
5. Step 5: Solve for x
   x = 8,149,035,376.73/127,010.31
6. Step 6: Final answer
   x = 64,160.42