Finding the Fourth Proportional to 42,852.29, 64,148.71 and 38,903.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,852.29 : 64,148.71 = 38,903.54 : x
2. Step 2: Convert to fraction form
   42,852.29/64,148.71 = 38,903.54/x
3. Step 3: Cross multiply
   42,852.29x = 64,148.71 × 38,903.54
4. Step 4: Simplify right side
   42,852.29x = 2,495,611,905.43
5. Step 5: Solve for x
   x = 2,495,611,905.43/42,852.29
6. Step 6: Final answer
   x = 58,237.54