Finding the Fourth Proportional to 38,042.04, 52,498.18 and 21,275

Step by Step Solution

1. Step 1: Write the proportion equation
   38,042.04 : 52,498.18 = 21,275 : x
2. Step 2: Convert to fraction form
   38,042.04/52,498.18 = 21,275/x
3. Step 3: Cross multiply
   38,042.04x = 52,498.18 × 21,275
4. Step 4: Simplify right side
   38,042.04x = 1,116,898,779.50
5. Step 5: Solve for x
   x = 1,116,898,779.50/38,042.04
6. Step 6: Final answer
   x = 29,359.59