Finding the Fourth Proportional to 77,900.12, 107,590.83 and 52,362.15

Step by Step Solution

1. Step 1: Write the proportion equation
   77,900.12 : 107,590.83 = 52,362.15 : x
2. Step 2: Convert to fraction form
   77,900.12/107,590.83 = 52,362.15/x
3. Step 3: Cross multiply
   77,900.12x = 107,590.83 × 52,362.15
4. Step 4: Simplify right side
   77,900.12x = 5,633,687,179.08
5. Step 5: Solve for x
   x = 5,633,687,179.08/77,900.12
6. Step 6: Final answer
   x = 72,319.37