Finding the Fourth Proportional to 82,449,418.80, 123,721,367.40 and 31,368,097.20

Step by Step Solution

1. Step 1: Write the proportion equation
   82,449,418.80 : 123,721,367.40 = 31,368,097.20 : x
2. Step 2: Convert to fraction form
   82,449,418.80/123,721,367.40 = 31,368,097.20/x
3. Step 3: Cross multiply
   82,449,418.80x = 123,721,367.40 × 31,368,097.20
4. Step 4: Simplify right side
   82,449,418.80x = 3,880,903,878,320,111.50
5. Step 5: Solve for x
   x = 3,880,903,878,320,111.50/82,449,418.80
6. Step 6: Final answer
   x = 47,070,118.08