Finding the Fourth Proportional to 502,875.87, 693,968.71 and 276,521.37

Step by Step Solution

1. Step 1: Write the proportion equation
   502,875.87 : 693,968.71 = 276,521.37 : x
2. Step 2: Convert to fraction form
   502,875.87/693,968.71 = 276,521.37/x
3. Step 3: Cross multiply
   502,875.87x = 693,968.71 × 276,521.37
4. Step 4: Simplify right side
   502,875.87x = 191,897,178,426.33
5. Step 5: Solve for x
   x = 191,897,178,426.33/502,875.87
6. Step 6: Final answer
   x = 381,599.50