Finding the Fourth Proportional to 42,070.32, 63,101.28 and 17,111.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,070.32 : 63,101.28 = 17,111.84 : x
2. Step 2: Convert to fraction form
   42,070.32/63,101.28 = 17,111.84/x
3. Step 3: Cross multiply
   42,070.32x = 63,101.28 × 17,111.84
4. Step 4: Simplify right side
   42,070.32x = 1,079,779,007.16
5. Step 5: Solve for x
   x = 1,079,779,007.16/42,070.32
6. Step 6: Final answer
   x = 25,666.05