Finding the Fourth Proportional to 81,158,557.68, 111,986,851.86 and 49,352,501.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,158,557.68 : 111,986,851.86 = 49,352,501.52 : x
2. Step 2: Convert to fraction form
   81,158,557.68/111,986,851.86 = 49,352,501.52/x
3. Step 3: Cross multiply
   81,158,557.68x = 111,986,851.86 × 49,352,501.52
4. Step 4: Simplify right side
   81,158,557.68x = 5,526,831,276,640,665
5. Step 5: Solve for x
   x = 5,526,831,276,640,665/81,158,557.68
6. Step 6: Final answer
   x = 68,099,180.60