Finding the Fourth Proportional to 42,684.18, 64,009.86 and 29,496.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,684.18 : 64,009.86 = 29,496.57 : x
2. Step 2: Convert to fraction form
   42,684.18/64,009.86 = 29,496.57/x
3. Step 3: Cross multiply
   42,684.18x = 64,009.86 × 29,496.57
4. Step 4: Simplify right side
   42,684.18x = 1,888,071,316.18
5. Step 5: Solve for x
   x = 1,888,071,316.18/42,684.18
6. Step 6: Final answer
   x = 44,233.51