Finding the Fourth Proportional to 51,448.90, 77,120.72 and 34,810.69

Step by Step Solution

1. Step 1: Write the proportion equation
   51,448.90 : 77,120.72 = 34,810.69 : x
2. Step 2: Convert to fraction form
   51,448.90/77,120.72 = 34,810.69/x
3. Step 3: Cross multiply
   51,448.90x = 77,120.72 × 34,810.69
4. Step 4: Simplify right side
   51,448.90x = 2,684,625,090.89
5. Step 5: Solve for x
   x = 2,684,625,090.89/51,448.90
6. Step 6: Final answer
   x = 52,180.42