Finding the Fourth Proportional to 37,870.96, 52,213.33 and 31,039.83

Step by Step Solution

1. Step 1: Write the proportion equation
   37,870.96 : 52,213.33 = 31,039.83 : x
2. Step 2: Convert to fraction form
   37,870.96/52,213.33 = 31,039.83/x
3. Step 3: Cross multiply
   37,870.96x = 52,213.33 × 31,039.83
4. Step 4: Simplify right side
   37,870.96x = 1,620,692,886.93
5. Step 5: Solve for x
   x = 1,620,692,886.93/37,870.96
6. Step 6: Final answer
   x = 42,795.14