Finding the Fourth Proportional to 34,890.88, 52,358.52 and 12,702.10

Step by Step Solution

1. Step 1: Write the proportion equation
   34,890.88 : 52,358.52 = 12,702.10 : x
2. Step 2: Convert to fraction form
   34,890.88/52,358.52 = 12,702.10/x
3. Step 3: Cross multiply
   34,890.88x = 52,358.52 × 12,702.10
4. Step 4: Simplify right side
   34,890.88x = 665,063,156.89
5. Step 5: Solve for x
   x = 665,063,156.89/34,890.88
6. Step 6: Final answer
   x = 19,061.23