Finding the Fourth Proportional to 42,819.68, 59,091.28 and 23,700.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,819.68 : 59,091.28 = 23,700.78 : x
2. Step 2: Convert to fraction form
   42,819.68/59,091.28 = 23,700.78/x
3. Step 3: Cross multiply
   42,819.68x = 59,091.28 × 23,700.78
4. Step 4: Simplify right side
   42,819.68x = 1,400,509,742.34
5. Step 5: Solve for x
   x = 1,400,509,742.34/42,819.68
6. Step 6: Final answer
   x = 32,707.15