Finding the Fourth Proportional to 49,779.69, 74,494.05 and 31,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,779.69 : 74,494.05 = 31,068.50 : x
2. Step 2: Convert to fraction form
   49,779.69/74,494.05 = 31,068.50/x
3. Step 3: Cross multiply
   49,779.69x = 74,494.05 × 31,068.50
4. Step 4: Simplify right side
   49,779.69x = 2,314,418,019.95
5. Step 5: Solve for x
   x = 2,314,418,019.95/49,779.69
6. Step 6: Final answer
   x = 46,493.22