Finding the Fourth Proportional to 78,374.72, 108,159.24 and 46,111.60

Step by Step Solution

1. Step 1: Write the proportion equation
   78,374.72 : 108,159.24 = 46,111.60 : x
2. Step 2: Convert to fraction form
   78,374.72/108,159.24 = 46,111.60/x
3. Step 3: Cross multiply
   78,374.72x = 108,159.24 × 46,111.60
4. Step 4: Simplify right side
   78,374.72x = 4,987,395,611.18
5. Step 5: Solve for x
   x = 4,987,395,611.18/78,374.72
6. Step 6: Final answer
   x = 63,635.26