Finding the Fourth Proportional to 42,830.29, 64,201.29 and 17,884.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,830.29 : 64,201.29 = 17,884.86 : x
2. Step 2: Convert to fraction form
   42,830.29/64,201.29 = 17,884.86/x
3. Step 3: Cross multiply
   42,830.29x = 64,201.29 × 17,884.86
4. Step 4: Simplify right side
   42,830.29x = 1,148,231,083.47
5. Step 5: Solve for x
   x = 1,148,231,083.47/42,830.29
6. Step 6: Final answer
   x = 26,808.86