Finding the Fourth Proportional to 42,400,421.78, 58,513,107.57 and 23,819,620.55

Step by Step Solution

1. Step 1: Write the proportion equation
   42,400,421.78 : 58,513,107.57 = 23,819,620.55 : x
2. Step 2: Convert to fraction form
   42,400,421.78/58,513,107.57 = 23,819,620.55/x
3. Step 3: Cross multiply
   42,400,421.78x = 58,513,107.57 × 23,819,620.55
4. Step 4: Simplify right side
   42,400,421.78x = 1,393,760,019,518,732.50
5. Step 5: Solve for x
   x = 1,393,760,019,518,732.50/42,400,421.78
6. Step 6: Final answer
   x = 32,871,371.58