Finding the Fourth Proportional to 83,400.98, 114,978.94 and 52,758.83

Step by Step Solution

1. Step 1: Write the proportion equation
   83,400.98 : 114,978.94 = 52,758.83 : x
2. Step 2: Convert to fraction form
   83,400.98/114,978.94 = 52,758.83/x
3. Step 3: Cross multiply
   83,400.98x = 114,978.94 × 52,758.83
4. Step 4: Simplify right side
   83,400.98x = 6,066,154,349.04
5. Step 5: Solve for x
   x = 6,066,154,349.04/83,400.98
6. Step 6: Final answer
   x = 72,734.81