Finding the Fourth Proportional to 42,946,815.09, 64,338,941.12 and 25,386,800.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,946,815.09 : 64,338,941.12 = 25,386,800.39 : x
2. Step 2: Convert to fraction form
   42,946,815.09/64,338,941.12 = 25,386,800.39/x
3. Step 3: Cross multiply
   42,946,815.09x = 64,338,941.12 × 25,386,800.39
4. Step 4: Simplify right side
   42,946,815.09x = 1,633,359,855,310,045.50
5. Step 5: Solve for x
   x = 1,633,359,855,310,045.50/42,946,815.09
6. Step 6: Final answer
   x = 38,032,153.30