Finding the Fourth Proportional to 42,916.50, 64,299.69 and 29,777.22

Step by Step Solution

1. Step 1: Write the proportion equation
   42,916.50 : 64,299.69 = 29,777.22 : x
2. Step 2: Convert to fraction form
   42,916.50/64,299.69 = 29,777.22/x
3. Step 3: Cross multiply
   42,916.50x = 64,299.69 × 29,777.22
4. Step 4: Simplify right side
   42,916.50x = 1,914,666,015.06
5. Step 5: Solve for x
   x = 1,914,666,015.06/42,916.50
6. Step 6: Final answer
   x = 44,613.75