Finding the Fourth Proportional to 42,899.25, 64,353.33 and 11,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,899.25 : 64,353.33 = 11,734.50 : x
2. Step 2: Convert to fraction form
   42,899.25/64,353.33 = 11,734.50/x
3. Step 3: Cross multiply
   42,899.25x = 64,353.33 × 11,734.50
4. Step 4: Simplify right side
   42,899.25x = 755,154,150.89
5. Step 5: Solve for x
   x = 755,154,150.89/42,899.25
6. Step 6: Final answer
   x = 17,602.97