Finding the Fourth Proportional to 28,058,223.42, 42,088,968.09 and 7,865,040.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,058,223.42 : 42,088,968.09 = 7,865,040.06 : x
2. Step 2: Convert to fraction form
   28,058,223.42/42,088,968.09 = 7,865,040.06/x
3. Step 3: Cross multiply
   28,058,223.42x = 42,088,968.09 × 7,865,040.06
4. Step 4: Simplify right side
   28,058,223.42x = 331,031,420,111,911.69
5. Step 5: Solve for x
   x = 331,031,420,111,911.69/28,058,223.42
6. Step 6: Final answer
   x = 11,798,017.83