Finding the Fourth Proportional to 42,047.17, 63,070.58 and 13,969.33

Step by Step Solution

1. Step 1: Write the proportion equation
   42,047.17 : 63,070.58 = 13,969.33 : x
2. Step 2: Convert to fraction form
   42,047.17/63,070.58 = 13,969.33/x
3. Step 3: Cross multiply
   42,047.17x = 63,070.58 × 13,969.33
4. Step 4: Simplify right side
   42,047.17x = 881,053,622.56
5. Step 5: Solve for x
   x = 881,053,622.56/42,047.17
6. Step 6: Final answer
   x = 20,953.94