Finding the Fourth Proportional to 31,039.84, 42,835.08 and 16,892.74

Step by Step Solution

1. Step 1: Write the proportion equation
   31,039.84 : 42,835.08 = 16,892.74 : x
2. Step 2: Convert to fraction form
   31,039.84/42,835.08 = 16,892.74/x
3. Step 3: Cross multiply
   31,039.84x = 42,835.08 × 16,892.74
4. Step 4: Simplify right side
   31,039.84x = 723,601,869.32
5. Step 5: Solve for x
   x = 723,601,869.32/31,039.84
6. Step 6: Final answer
   x = 23,312.04