Finding the Fourth Proportional to 42,669,915.81, 58,878,149.54 and 25,915,936.89

Step by Step Solution

1. Step 1: Write the proportion equation
   42,669,915.81 : 58,878,149.54 = 25,915,936.89 : x
2. Step 2: Convert to fraction form
   42,669,915.81/58,878,149.54 = 25,915,936.89/x
3. Step 3: Cross multiply
   42,669,915.81x = 58,878,149.54 × 25,915,936.89
4. Step 4: Simplify right side
   42,669,915.81x = 1,525,882,407,328,249.75
5. Step 5: Solve for x
   x = 1,525,882,407,328,249.75/42,669,915.81
6. Step 6: Final answer
   x = 35,760,145.73