Finding the Fourth Proportional to 56,019.71, 83,978.71 and 27,948.35

Step by Step Solution

1. Step 1: Write the proportion equation
   56,019.71 : 83,978.71 = 27,948.35 : x
2. Step 2: Convert to fraction form
   56,019.71/83,978.71 = 27,948.35/x
3. Step 3: Cross multiply
   56,019.71x = 83,978.71 × 27,948.35
4. Step 4: Simplify right side
   56,019.71x = 2,347,066,755.71
5. Step 5: Solve for x
   x = 2,347,066,755.71/56,019.71
6. Step 6: Final answer
   x = 41,897.16