Finding the Fourth Proportional to 37,811.90, 52,182.16 and 21,045.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,811.90 : 52,182.16 = 21,045.98 : x
2. Step 2: Convert to fraction form
   37,811.90/52,182.16 = 21,045.98/x
3. Step 3: Cross multiply
   37,811.90x = 52,182.16 × 21,045.98
4. Step 4: Simplify right side
   37,811.90x = 1,098,224,695.72
5. Step 5: Solve for x
   x = 1,098,224,695.72/37,811.90
6. Step 6: Final answer
   x = 29,044.42