Finding the Fourth Proportional to 37,291.50, 51,450.62 and 21,156.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,291.50 : 51,450.62 = 21,156.12 : x
2. Step 2: Convert to fraction form
   37,291.50/51,450.62 = 21,156.12/x
3. Step 3: Cross multiply
   37,291.50x = 51,450.62 × 21,156.12
4. Step 4: Simplify right side
   37,291.50x = 1,088,495,385.01
5. Step 5: Solve for x
   x = 1,088,495,385.01/37,291.50
6. Step 6: Final answer
   x = 29,188.83