Finding the Fourth Proportional to 78,814, 108,748.44 and 46,985.86

Step by Step Solution

1. Step 1: Write the proportion equation
   78,814 : 108,748.44 = 46,985.86 : x
2. Step 2: Convert to fraction form
   78,814/108,748.44 = 46,985.86/x
3. Step 3: Cross multiply
   78,814x = 108,748.44 × 46,985.86
4. Step 4: Simplify right side
   78,814x = 5,109,638,977.06
5. Step 5: Solve for x
   x = 5,109,638,977.06/78,814
6. Step 6: Final answer
   x = 64,831.62