Finding the Fourth Proportional to 42,889, 64,368.06 and 22,118.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,889 : 64,368.06 = 22,118.44 : x
2. Step 2: Convert to fraction form
   42,889/64,368.06 = 22,118.44/x
3. Step 3: Cross multiply
   42,889x = 64,368.06 × 22,118.44
4. Step 4: Simplify right side
   42,889x = 1,423,721,073.03
5. Step 5: Solve for x
   x = 1,423,721,073.03/42,889
6. Step 6: Final answer
   x = 33,195.48