Finding the Fourth Proportional to 69,978.34, 96,569.52 and 38,146.57

Step by Step Solution

1. Step 1: Write the proportion equation
   69,978.34 : 96,569.52 = 38,146.57 : x
2. Step 2: Convert to fraction form
   69,978.34/96,569.52 = 38,146.57/x
3. Step 3: Cross multiply
   69,978.34x = 96,569.52 × 38,146.57
4. Step 4: Simplify right side
   69,978.34x = 3,683,795,954.55
5. Step 5: Solve for x
   x = 3,683,795,954.55/69,978.34
6. Step 6: Final answer
   x = 52,641.95