Finding the Fourth Proportional to 42,219,074.61, 63,369,563.33 and 20,374,826.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,219,074.61 : 63,369,563.33 = 20,374,826.58 : x
2. Step 2: Convert to fraction form
   42,219,074.61/63,369,563.33 = 20,374,826.58/x
3. Step 3: Cross multiply
   42,219,074.61x = 63,369,563.33 × 20,374,826.58
4. Step 4: Simplify right side
   42,219,074.61x = 1,291,143,862,880,355.50
5. Step 5: Solve for x
   x = 1,291,143,862,880,355.50/42,219,074.61
6. Step 6: Final answer
   x = 30,582,002.92