Finding the Fourth Proportional to 78,369, 117,438.27 and 46,315.08

Step by Step Solution

1. Step 1: Write the proportion equation
   78,369 : 117,438.27 = 46,315.08 : x
2. Step 2: Convert to fraction form
   78,369/117,438.27 = 46,315.08/x
3. Step 3: Cross multiply
   78,369x = 117,438.27 × 46,315.08
4. Step 4: Simplify right side
   78,369x = 5,439,162,870.11
5. Step 5: Solve for x
   x = 5,439,162,870.11/78,369
6. Step 6: Final answer
   x = 69,404.52