Finding the Fourth Proportional to 42,819.88, 64,068.54 and 29,697.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,819.88 : 64,068.54 = 29,697.64 : x
2. Step 2: Convert to fraction form
   42,819.88/64,068.54 = 29,697.64/x
3. Step 3: Cross multiply
   42,819.88x = 64,068.54 × 29,697.64
4. Step 4: Simplify right side
   42,819.88x = 1,902,684,436.25
5. Step 5: Solve for x
   x = 1,902,684,436.25/42,819.88
6. Step 6: Final answer
   x = 44,434.60