Finding the Fourth Proportional to 42,384.76, 63,569.94 and 11,223.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384.76 : 63,569.94 = 11,223.16 : x
2. Step 2: Convert to fraction form
   42,384.76/63,569.94 = 11,223.16/x
3. Step 3: Cross multiply
   42,384.76x = 63,569.94 × 11,223.16
4. Step 4: Simplify right side
   42,384.76x = 713,455,607.81
5. Step 5: Solve for x
   x = 713,455,607.81/42,384.76
6. Step 6: Final answer
   x = 16,832.83