Finding the Fourth Proportional to 71,153.31, 98,191.86 and 38,888.58

Step by Step Solution

1. Step 1: Write the proportion equation
   71,153.31 : 98,191.86 = 38,888.58 : x
2. Step 2: Convert to fraction form
   71,153.31/98,191.86 = 38,888.58/x
3. Step 3: Cross multiply
   71,153.31x = 98,191.86 × 38,888.58
4. Step 4: Simplify right side
   71,153.31x = 3,818,542,002.96
5. Step 5: Solve for x
   x = 3,818,542,002.96/71,153.31
6. Step 6: Final answer
   x = 53,666.40