Finding the Fourth Proportional to 9,357,074.76, 12,912,155.76 and 5,436,483.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,357,074.76 : 12,912,155.76 = 5,436,483.60 : x
2. Step 2: Convert to fraction form
   9,357,074.76/12,912,155.76 = 5,436,483.60/x
3. Step 3: Cross multiply
   9,357,074.76x = 12,912,155.76 × 5,436,483.60
4. Step 4: Simplify right side
   9,357,074.76x = 70,196,723,029,885.53
5. Step 5: Solve for x
   x = 70,196,723,029,885.53/9,357,074.76
6. Step 6: Final answer
   x = 7,501,994.46