Finding the Fourth Proportional to 42,484.71, 64,014.83 and 35,251.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,484.71 : 64,014.83 = 35,251.20 : x
2. Step 2: Convert to fraction form
   42,484.71/64,014.83 = 35,251.20/x
3. Step 3: Cross multiply
   42,484.71x = 64,014.83 × 35,251.20
4. Step 4: Simplify right side
   42,484.71x = 2,256,599,663.42
5. Step 5: Solve for x
   x = 2,256,599,663.42/42,484.71
6. Step 6: Final answer
   x = 53,115.57