Finding the Fourth Proportional to 69,051.12, 103,607.82 and 31,109.84

Step by Step Solution

1. Step 1: Write the proportion equation
   69,051.12 : 103,607.82 = 31,109.84 : x
2. Step 2: Convert to fraction form
   69,051.12/103,607.82 = 31,109.84/x
3. Step 3: Cross multiply
   69,051.12x = 103,607.82 × 31,109.84
4. Step 4: Simplify right side
   69,051.12x = 3,223,222,184.91
5. Step 5: Solve for x
   x = 3,223,222,184.91/69,051.12
6. Step 6: Final answer
   x = 46,678.78