Finding the Fourth Proportional to 37,436.30, 51,666.52 and 21,521.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,436.30 : 51,666.52 = 21,521.42 : x
2. Step 2: Convert to fraction form
   37,436.30/51,666.52 = 21,521.42/x
3. Step 3: Cross multiply
   37,436.30x = 51,666.52 × 21,521.42
4. Step 4: Simplify right side
   37,436.30x = 1,111,936,876.86
5. Step 5: Solve for x
   x = 1,111,936,876.86/37,436.30
6. Step 6: Final answer
   x = 29,702.10