Finding the Fourth Proportional to 34,111.48, 47,070.72 and 19,965.40

Step by Step Solution

1. Step 1: Write the proportion equation
   34,111.48 : 47,070.72 = 19,965.40 : x
2. Step 2: Convert to fraction form
   34,111.48/47,070.72 = 19,965.40/x
3. Step 3: Cross multiply
   34,111.48x = 47,070.72 × 19,965.40
4. Step 4: Simplify right side
   34,111.48x = 939,785,753.09
5. Step 5: Solve for x
   x = 939,785,753.09/34,111.48
6. Step 6: Final answer
   x = 27,550.42