Finding the Fourth Proportional to 42,693.47, 64,033.01 and 15,670.23

Step by Step Solution

1. Step 1: Write the proportion equation
   42,693.47 : 64,033.01 = 15,670.23 : x
2. Step 2: Convert to fraction form
   42,693.47/64,033.01 = 15,670.23/x
3. Step 3: Cross multiply
   42,693.47x = 64,033.01 × 15,670.23
4. Step 4: Simplify right side
   42,693.47x = 1,003,411,994.29
5. Step 5: Solve for x
   x = 1,003,411,994.29/42,693.47
6. Step 6: Final answer
   x = 23,502.70