Finding the Fourth Proportional to 78,417.18, 108,225 and 46,586.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,417.18 : 108,225 = 46,586.34 : x
2. Step 2: Convert to fraction form
   78,417.18/108,225 = 46,586.34/x
3. Step 3: Cross multiply
   78,417.18x = 108,225 × 46,586.34
4. Step 4: Simplify right side
   78,417.18x = 5,041,806,646.50
5. Step 5: Solve for x
   x = 5,041,806,646.50/78,417.18
6. Step 6: Final answer
   x = 64,294.67