Finding the Fourth Proportional to 42,461.84, 63,678.72 and 14,374.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,461.84 : 63,678.72 = 14,374.32 : x
2. Step 2: Convert to fraction form
   42,461.84/63,678.72 = 14,374.32/x
3. Step 3: Cross multiply
   42,461.84x = 63,678.72 × 14,374.32
4. Step 4: Simplify right side
   42,461.84x = 915,338,298.47
5. Step 5: Solve for x
   x = 915,338,298.47/42,461.84
6. Step 6: Final answer
   x = 21,556.73