Finding the Fourth Proportional to 49,430.93, 68,196.33 and 31,521.83

Step by Step Solution

1. Step 1: Write the proportion equation
   49,430.93 : 68,196.33 = 31,521.83 : x
2. Step 2: Convert to fraction form
   49,430.93/68,196.33 = 31,521.83/x
3. Step 3: Cross multiply
   49,430.93x = 68,196.33 × 31,521.83
4. Step 4: Simplify right side
   49,430.93x = 2,149,672,779.90
5. Step 5: Solve for x
   x = 2,149,672,779.90/49,430.93
6. Step 6: Final answer
   x = 43,488.42