Finding the Fourth Proportional to 69,978.80, 96,567.84 and 38,147

Step by Step Solution

1. Step 1: Write the proportion equation
   69,978.80 : 96,567.84 = 38,147 : x
2. Step 2: Convert to fraction form
   69,978.80/96,567.84 = 38,147/x
3. Step 3: Cross multiply
   69,978.80x = 96,567.84 × 38,147
4. Step 4: Simplify right side
   69,978.80x = 3,683,773,392.48
5. Step 5: Solve for x
   x = 3,683,773,392.48/69,978.80
6. Step 6: Final answer
   x = 52,641.28