Finding the Fourth Proportional to 105,634,825.92, 145,607,621.52 and 83,271,345.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,634,825.92 : 145,607,621.52 = 83,271,345.48 : x
2. Step 2: Convert to fraction form
   105,634,825.92/145,607,621.52 = 83,271,345.48/x
3. Step 3: Cross multiply
   105,634,825.92x = 145,607,621.52 × 83,271,345.48
4. Step 4: Simplify right side
   105,634,825.92x = 12,124,942,556,113,004
5. Step 5: Solve for x
   x = 12,124,942,556,113,004/105,634,825.92
6. Step 6: Final answer
   x = 114,781,677.83