Finding the Fourth Proportional to 56,834,061.24, 85,229,928.18 and 20,432,518.68

Step by Step Solution

1. Step 1: Write the proportion equation
   56,834,061.24 : 85,229,928.18 = 20,432,518.68 : x
2. Step 2: Convert to fraction form
   56,834,061.24/85,229,928.18 = 20,432,518.68/x
3. Step 3: Cross multiply
   56,834,061.24x = 85,229,928.18 × 20,432,518.68
4. Step 4: Simplify right side
   56,834,061.24x = 1,741,462,099,632,908.50
5. Step 5: Solve for x
   x = 1,741,462,099,632,908.50/56,834,061.24
6. Step 6: Final answer
   x = 30,641,169.43