Finding the Fourth Proportional to 9,522,639.18, 13,142,052.53 and 5,393,404.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,522,639.18 : 13,142,052.53 = 5,393,404.88 : x
2. Step 2: Convert to fraction form
   9,522,639.18/13,142,052.53 = 5,393,404.88/x
3. Step 3: Cross multiply
   9,522,639.18x = 13,142,052.53 × 5,393,404.88
4. Step 4: Simplify right side
   9,522,639.18x = 70,880,410,155,841.06
5. Step 5: Solve for x
   x = 70,880,410,155,841.06/9,522,639.18
6. Step 6: Final answer
   x = 7,443,357.75