Finding the Fourth Proportional to 98,387.56, 147,528.89 and 38,436.42

Step by Step Solution

1. Step 1: Write the proportion equation
   98,387.56 : 147,528.89 = 38,436.42 : x
2. Step 2: Convert to fraction form
   98,387.56/147,528.89 = 38,436.42/x
3. Step 3: Cross multiply
   98,387.56x = 147,528.89 × 38,436.42
4. Step 4: Simplify right side
   98,387.56x = 5,670,481,817.17
5. Step 5: Solve for x
   x = 5,670,481,817.17/98,387.56
6. Step 6: Final answer
   x = 57,634.14