Finding the Fourth Proportional to 42,669,915.09, 58,878,148.55 and 25,915,936.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,669,915.09 : 58,878,148.55 = 25,915,936.17 : x
2. Step 2: Convert to fraction form
   42,669,915.09/58,878,148.55 = 25,915,936.17/x
3. Step 3: Cross multiply
   42,669,915.09x = 58,878,148.55 × 25,915,936.17
4. Step 4: Simplify right side
   42,669,915.09x = 1,525,882,339,499,998.50
5. Step 5: Solve for x
   x = 1,525,882,339,499,998.50/42,669,915.09
6. Step 6: Final answer
   x = 35,760,144.74