Finding the Fourth Proportional to 99,590.37, 149,429.69 and 52,194.19

Step by Step Solution

1. Step 1: Write the proportion equation
   99,590.37 : 149,429.69 = 52,194.19 : x
2. Step 2: Convert to fraction form
   99,590.37/149,429.69 = 52,194.19/x
3. Step 3: Cross multiply
   99,590.37x = 149,429.69 × 52,194.19
4. Step 4: Simplify right side
   99,590.37x = 7,799,361,388.41
5. Step 5: Solve for x
   x = 7,799,361,388.41/99,590.37
6. Step 6: Final answer
   x = 78,314.41