Finding the Fourth Proportional to 31,050.39, 42,848.96 and 16,902.93

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.39 : 42,848.96 = 16,902.93 : x
2. Step 2: Convert to fraction form
   31,050.39/42,848.96 = 16,902.93/x
3. Step 3: Cross multiply
   31,050.39x = 42,848.96 × 16,902.93
4. Step 4: Simplify right side
   31,050.39x = 724,272,886.94
5. Step 5: Solve for x
   x = 724,272,886.94/31,050.39
6. Step 6: Final answer
   x = 23,325.73