Finding the Fourth Proportional to 34,870.56, 52,288.80 and 12,373.62

Step by Step Solution

1. Step 1: Write the proportion equation
   34,870.56 : 52,288.80 = 12,373.62 : x
2. Step 2: Convert to fraction form
   34,870.56/52,288.80 = 12,373.62/x
3. Step 3: Cross multiply
   34,870.56x = 52,288.80 × 12,373.62
4. Step 4: Simplify right side
   34,870.56x = 647,001,741.46
5. Step 5: Solve for x
   x = 647,001,741.46/34,870.56
6. Step 6: Final answer
   x = 18,554.38