Finding the Fourth Proportional to 279,050.38, 418,761.69 and 101,557.34

Step by Step Solution

1. Step 1: Write the proportion equation
   279,050.38 : 418,761.69 = 101,557.34 : x
2. Step 2: Convert to fraction form
   279,050.38/418,761.69 = 101,557.34/x
3. Step 3: Cross multiply
   279,050.38x = 418,761.69 × 101,557.34
4. Step 4: Simplify right side
   279,050.38x = 42,528,321,236.50
5. Step 5: Solve for x
   x = 42,528,321,236.50/279,050.38
6. Step 6: Final answer
   x = 152,403.74