Finding the Fourth Proportional to 78,349.18, 108,123.69 and 46,518.16

Step by Step Solution

1. Step 1: Write the proportion equation
   78,349.18 : 108,123.69 = 46,518.16 : x
2. Step 2: Convert to fraction form
   78,349.18/108,123.69 = 46,518.16/x
3. Step 3: Cross multiply
   78,349.18x = 108,123.69 × 46,518.16
4. Step 4: Simplify right side
   78,349.18x = 5,029,715,111.21
5. Step 5: Solve for x
   x = 5,029,715,111.21/78,349.18
6. Step 6: Final answer
   x = 64,196.14