Finding the Fourth Proportional to 42,864.66, 64,223.82 and 30,363.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,864.66 : 64,223.82 = 30,363.93 : x
2. Step 2: Convert to fraction form
   42,864.66/64,223.82 = 30,363.93/x
3. Step 3: Cross multiply
   42,864.66x = 64,223.82 × 30,363.93
4. Step 4: Simplify right side
   42,864.66x = 1,950,087,574.81
5. Step 5: Solve for x
   x = 1,950,087,574.81/42,864.66
6. Step 6: Final answer
   x = 45,494.06