Finding the Fourth Proportional to 69,870.10, 96,420.74 and 38,038.98

Step by Step Solution

1. Step 1: Write the proportion equation
   69,870.10 : 96,420.74 = 38,038.98 : x
2. Step 2: Convert to fraction form
   69,870.10/96,420.74 = 38,038.98/x
3. Step 3: Cross multiply
   69,870.10x = 96,420.74 × 38,038.98
4. Step 4: Simplify right side
   69,870.10x = 3,667,746,600.45
5. Step 5: Solve for x
   x = 3,667,746,600.45/69,870.10
6. Step 6: Final answer
   x = 52,493.79