Finding the Fourth Proportional to 59,143.90, 81,707.61 and 38,774.36

Step by Step Solution

1. Step 1: Write the proportion equation
   59,143.90 : 81,707.61 = 38,774.36 : x
2. Step 2: Convert to fraction form
   59,143.90/81,707.61 = 38,774.36/x
3. Step 3: Cross multiply
   59,143.90x = 81,707.61 × 38,774.36
4. Step 4: Simplify right side
   59,143.90x = 3,168,159,876.34
5. Step 5: Solve for x
   x = 3,168,159,876.34/59,143.90
6. Step 6: Final answer
   x = 53,566.98