Finding the Fourth Proportional to 98,449.78, 147,667.53 and 38,466.98

Step by Step Solution

1. Step 1: Write the proportion equation
   98,449.78 : 147,667.53 = 38,466.98 : x
2. Step 2: Convert to fraction form
   98,449.78/147,667.53 = 38,466.98/x
3. Step 3: Cross multiply
   98,449.78x = 147,667.53 × 38,466.98
4. Step 4: Simplify right side
   98,449.78x = 5,680,323,359.32
5. Step 5: Solve for x
   x = 5,680,323,359.32/98,449.78
6. Step 6: Final answer
   x = 57,697.67