Finding the Fourth Proportional to 42,992.73, 64,053.25 and 40,875.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,992.73 : 64,053.25 = 40,875.32 : x
2. Step 2: Convert to fraction form
   42,992.73/64,053.25 = 40,875.32/x
3. Step 3: Cross multiply
   42,992.73x = 64,053.25 × 40,875.32
4. Step 4: Simplify right side
   42,992.73x = 2,618,197,090.79
5. Step 5: Solve for x
   x = 2,618,197,090.79/42,992.73
6. Step 6: Final answer
   x = 60,898.60