Finding the Fourth Proportional to 78,615.83, 108,490.05 and 46,784.05

Step by Step Solution

1. Step 1: Write the proportion equation
   78,615.83 : 108,490.05 = 46,784.05 : x
2. Step 2: Convert to fraction form
   78,615.83/108,490.05 = 46,784.05/x
3. Step 3: Cross multiply
   78,615.83x = 108,490.05 × 46,784.05
4. Step 4: Simplify right side
   78,615.83x = 5,075,603,923.70
5. Step 5: Solve for x
   x = 5,075,603,923.70/78,615.83
6. Step 6: Final answer
   x = 64,562.11