Finding the Fourth Proportional to 37,690.02, 52,006.17 and 21,776.58

Step by Step Solution

1. Step 1: Write the proportion equation
   37,690.02 : 52,006.17 = 21,776.58 : x
2. Step 2: Convert to fraction form
   37,690.02/52,006.17 = 21,776.58/x
3. Step 3: Cross multiply
   37,690.02x = 52,006.17 × 21,776.58
4. Step 4: Simplify right side
   37,690.02x = 1,132,516,521.50
5. Step 5: Solve for x
   x = 1,132,516,521.50/37,690.02
6. Step 6: Final answer
   x = 30,048.18